Home / 989,414.97-1,365,397.71-559,685.88

Finding the Fourth Proportional to 989,414.97, 1,365,397.71 and 559,685.88

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Solution

The fourth proportional to 989,414.97, 1,365,397.71 and 559,685.88 is: 772,369.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,414.97 : 1,365,397.71 = 559,685.88 : x
  2. Step 2: Convert to fraction form
    989,414.97/1,365,397.71 = 559,685.88/x
  3. Step 3: Cross multiply
    989,414.97x = 1,365,397.71 × 559,685.88
  4. Step 4: Simplify right side
    989,414.97x = 764,193,812,044.35
  5. Step 5: Solve for x
    x = 764,193,812,044.35/989,414.97
  6. Step 6: Final answer
    x = 772,369.36

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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.