Home / 732,645.15-1,011,081.67-426,672.15

Finding the Fourth Proportional to 732,645.15, 1,011,081.67 and 426,672.15

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Solution

The fourth proportional to 732,645.15, 1,011,081.67 and 426,672.15 is: 588,825.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,645.15 : 1,011,081.67 = 426,672.15 : x
  2. Step 2: Convert to fraction form
    732,645.15/1,011,081.67 = 426,672.15/x
  3. Step 3: Cross multiply
    732,645.15x = 1,011,081.67 × 426,672.15
  4. Step 4: Simplify right side
    732,645.15x = 431,400,389,964.49
  5. Step 5: Solve for x
    x = 431,400,389,964.49/732,645.15
  6. Step 6: Final answer
    x = 588,825.83

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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.