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Finding the Fourth Proportional to 532,665.72, 735,077.87 and 290,948.29

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Solution

The fourth proportional to 532,665.72, 735,077.87 and 290,948.29 is: 401,508.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,665.72 : 735,077.87 = 290,948.29 : x
  2. Step 2: Convert to fraction form
    532,665.72/735,077.87 = 290,948.29/x
  3. Step 3: Cross multiply
    532,665.72x = 735,077.87 × 290,948.29
  4. Step 4: Simplify right side
    532,665.72x = 213,869,647,838.60
  5. Step 5: Solve for x
    x = 213,869,647,838.60/532,665.72
  6. Step 6: Final answer
    x = 401,508.19

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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.