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Finding the Fourth Proportional to 472,324.60, 708,640.08 and 282,755.44

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Solution

The fourth proportional to 472,324.60, 708,640.08 and 282,755.44 is: 424,224.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,324.60 : 708,640.08 = 282,755.44 : x
  2. Step 2: Convert to fraction form
    472,324.60/708,640.08 = 282,755.44/x
  3. Step 3: Cross multiply
    472,324.60x = 708,640.08 × 282,755.44
  4. Step 4: Simplify right side
    472,324.60x = 200,371,837,622.04
  5. Step 5: Solve for x
    x = 200,371,837,622.04/472,324.60
  6. Step 6: Final answer
    x = 424,224.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.