Home / 992,097.10-1,369,087.20-539,388.10

Finding the Fourth Proportional to 992,097.10, 1,369,087.20 and 539,388.10

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Solution

The fourth proportional to 992,097.10, 1,369,087.20 and 539,388.10 is: 744,351.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,097.10 : 1,369,087.20 = 539,388.10 : x
  2. Step 2: Convert to fraction form
    992,097.10/1,369,087.20 = 539,388.10/x
  3. Step 3: Cross multiply
    992,097.10x = 1,369,087.20 × 539,388.10
  4. Step 4: Simplify right side
    992,097.10x = 738,469,343,542.32
  5. Step 5: Solve for x
    x = 738,469,343,542.32/992,097.10
  6. Step 6: Final answer
    x = 744,351.88

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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.