Home / 487,306.75-729,534.77-284,282.05

Finding the Fourth Proportional to 487,306.75, 729,534.77 and 284,282.05

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Solution

The fourth proportional to 487,306.75, 729,534.77 and 284,282.05 is: 425,591.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,306.75 : 729,534.77 = 284,282.05 : x
  2. Step 2: Convert to fraction form
    487,306.75/729,534.77 = 284,282.05/x
  3. Step 3: Cross multiply
    487,306.75x = 729,534.77 × 284,282.05
  4. Step 4: Simplify right side
    487,306.75x = 207,393,638,540.47
  5. Step 5: Solve for x
    x = 207,393,638,540.47/487,306.75
  6. Step 6: Final answer
    x = 425,591.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.