Home / 715,290.62-987,974.31-534,802.97

Finding the Fourth Proportional to 715,290.62, 987,974.31 and 534,802.97

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Solution

The fourth proportional to 715,290.62, 987,974.31 and 534,802.97 is: 738,681.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,290.62 : 987,974.31 = 534,802.97 : x
  2. Step 2: Convert to fraction form
    715,290.62/987,974.31 = 534,802.97/x
  3. Step 3: Cross multiply
    715,290.62x = 987,974.31 × 534,802.97
  4. Step 4: Simplify right side
    715,290.62x = 528,371,599,747.15
  5. Step 5: Solve for x
    x = 528,371,599,747.15/715,290.62
  6. Step 6: Final answer
    x = 738,681.02

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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.