Home / 987,685.43-1,363,001.15-552,102.68

Finding the Fourth Proportional to 987,685.43, 1,363,001.15 and 552,102.68

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Solution

The fourth proportional to 987,685.43, 1,363,001.15 and 552,102.68 is: 761,899.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,685.43 : 1,363,001.15 = 552,102.68 : x
  2. Step 2: Convert to fraction form
    987,685.43/1,363,001.15 = 552,102.68/x
  3. Step 3: Cross multiply
    987,685.43x = 1,363,001.15 × 552,102.68
  4. Step 4: Simplify right side
    987,685.43x = 752,516,578,182.56
  5. Step 5: Solve for x
    x = 752,516,578,182.56/987,685.43
  6. Step 6: Final answer
    x = 761,899.04

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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.