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Finding the Fourth Proportional to 688,537, 950,160.52 and 382,612.44

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Solution

The fourth proportional to 688,537, 950,160.52 and 382,612.44 is: 527,993.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,537 : 950,160.52 = 382,612.44 : x
  2. Step 2: Convert to fraction form
    688,537/950,160.52 = 382,612.44/x
  3. Step 3: Cross multiply
    688,537x = 950,160.52 × 382,612.44
  4. Step 4: Simplify right side
    688,537x = 363,543,234,948.87
  5. Step 5: Solve for x
    x = 363,543,234,948.87/688,537
  6. Step 6: Final answer
    x = 527,993.75

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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.