Home / 769,712.94-1,062,172.49-425,526.98

Finding the Fourth Proportional to 769,712.94, 1,062,172.49 and 425,526.98

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Solution

The fourth proportional to 769,712.94, 1,062,172.49 and 425,526.98 is: 587,209.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,712.94 : 1,062,172.49 = 425,526.98 : x
  2. Step 2: Convert to fraction form
    769,712.94/1,062,172.49 = 425,526.98/x
  3. Step 3: Cross multiply
    769,712.94x = 1,062,172.49 × 425,526.98
  4. Step 4: Simplify right side
    769,712.94x = 451,983,044,470.28
  5. Step 5: Solve for x
    x = 451,983,044,470.28/769,712.94
  6. Step 6: Final answer
    x = 587,209.88

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Double scale
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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.