Home / 748,927.20-1,123,390.80-216,465.60

Finding the Fourth Proportional to 748,927.20, 1,123,390.80 and 216,465.60

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Solution

The fourth proportional to 748,927.20, 1,123,390.80 and 216,465.60 is: 324,698.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,927.20 : 1,123,390.80 = 216,465.60 : x
  2. Step 2: Convert to fraction form
    748,927.20/1,123,390.80 = 216,465.60/x
  3. Step 3: Cross multiply
    748,927.20x = 1,123,390.80 × 216,465.60
  4. Step 4: Simplify right side
    748,927.20x = 243,175,463,556.48
  5. Step 5: Solve for x
    x = 243,175,463,556.48/748,927.20
  6. Step 6: Final answer
    x = 324,698.40

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Half scale
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Double scale
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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.