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Finding the Fourth Proportional to 688,446, 950,052.42 and 382,572.18

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Solution

The fourth proportional to 688,446, 950,052.42 and 382,572.18 is: 527,947.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,446 : 950,052.42 = 382,572.18 : x
  2. Step 2: Convert to fraction form
    688,446/950,052.42 = 382,572.18/x
  3. Step 3: Cross multiply
    688,446x = 950,052.42 × 382,572.18
  4. Step 4: Simplify right side
    688,446x = 363,463,625,433.68
  5. Step 5: Solve for x
    x = 363,463,625,433.68/688,446
  6. Step 6: Final answer
    x = 527,947.91

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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.