Home / 748,848.30-1,123,272.45-416,424.30

Finding the Fourth Proportional to 748,848.30, 1,123,272.45 and 416,424.30

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Solution

The fourth proportional to 748,848.30, 1,123,272.45 and 416,424.30 is: 624,636.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,848.30 : 1,123,272.45 = 416,424.30 : x
  2. Step 2: Convert to fraction form
    748,848.30/1,123,272.45 = 416,424.30/x
  3. Step 3: Cross multiply
    748,848.30x = 1,123,272.45 × 416,424.30
  4. Step 4: Simplify right side
    748,848.30x = 467,757,943,700.54
  5. Step 5: Solve for x
    x = 467,757,943,700.54/748,848.30
  6. Step 6: Final answer
    x = 624,636.45

Related Problems

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Half scale
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Double scale
Find fourth proportional to 748,849.30, 1,123,273.95 and 416,425.30
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.