Home / 729,909.38-1,007,264.84-424,158.50

Finding the Fourth Proportional to 729,909.38, 1,007,264.84 and 424,158.50

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Solution

The fourth proportional to 729,909.38, 1,007,264.84 and 424,158.50 is: 585,332.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,909.38 : 1,007,264.84 = 424,158.50 : x
  2. Step 2: Convert to fraction form
    729,909.38/1,007,264.84 = 424,158.50/x
  3. Step 3: Cross multiply
    729,909.38x = 1,007,264.84 × 424,158.50
  4. Step 4: Simplify right side
    729,909.38x = 427,239,943,637.14
  5. Step 5: Solve for x
    x = 427,239,943,637.14/729,909.38
  6. Step 6: Final answer
    x = 585,332.86

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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.