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Finding the Fourth Proportional to 584,244.48, 806,257.92 and 315,972.48

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Solution

The fourth proportional to 584,244.48, 806,257.92 and 315,972.48 is: 436,042.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,244.48 : 806,257.92 = 315,972.48 : x
  2. Step 2: Convert to fraction form
    584,244.48/806,257.92 = 315,972.48/x
  3. Step 3: Cross multiply
    584,244.48x = 806,257.92 × 315,972.48
  4. Step 4: Simplify right side
    584,244.48x = 254,755,314,502.04
  5. Step 5: Solve for x
    x = 254,755,314,502.04/584,244.48
  6. Step 6: Final answer
    x = 436,042.31

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1.5x scale

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.