Home / 730,780.38-1,007,559.27-558,909.18

Finding the Fourth Proportional to 730,780.38, 1,007,559.27 and 558,909.18

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Solution

The fourth proportional to 730,780.38, 1,007,559.27 and 558,909.18 is: 770,592.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,780.38 : 1,007,559.27 = 558,909.18 : x
  2. Step 2: Convert to fraction form
    730,780.38/1,007,559.27 = 558,909.18/x
  3. Step 3: Cross multiply
    730,780.38x = 1,007,559.27 × 558,909.18
  4. Step 4: Simplify right side
    730,780.38x = 563,134,125,397.10
  5. Step 5: Solve for x
    x = 563,134,125,397.10/730,780.38
  6. Step 6: Final answer
    x = 770,592.84

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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.