Home / 762,683.71-1,052,503.65-423,151.15

Finding the Fourth Proportional to 762,683.71, 1,052,503.65 and 423,151.15

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Solution

The fourth proportional to 762,683.71, 1,052,503.65 and 423,151.15 is: 583,948.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,683.71 : 1,052,503.65 = 423,151.15 : x
  2. Step 2: Convert to fraction form
    762,683.71/1,052,503.65 = 423,151.15/x
  3. Step 3: Cross multiply
    762,683.71x = 1,052,503.65 × 423,151.15
  4. Step 4: Simplify right side
    762,683.71x = 445,368,129,876.70
  5. Step 5: Solve for x
    x = 445,368,129,876.70/762,683.71
  6. Step 6: Final answer
    x = 583,948.66

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.