Home / 748,877.70-1,123,316.55-328,973.70

Finding the Fourth Proportional to 748,877.70, 1,123,316.55 and 328,973.70

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Solution

The fourth proportional to 748,877.70, 1,123,316.55 and 328,973.70 is: 493,460.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,877.70 : 1,123,316.55 = 328,973.70 : x
  2. Step 2: Convert to fraction form
    748,877.70/1,123,316.55 = 328,973.70/x
  3. Step 3: Cross multiply
    748,877.70x = 1,123,316.55 × 328,973.70
  4. Step 4: Simplify right side
    748,877.70x = 369,541,601,724.74
  5. Step 5: Solve for x
    x = 369,541,601,724.74/748,877.70
  6. Step 6: Final answer
    x = 493,460.55

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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.