Home / 629,543.43-943,627.91-309,915.27

Finding the Fourth Proportional to 629,543.43, 943,627.91 and 309,915.27

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Solution

The fourth proportional to 629,543.43, 943,627.91 and 309,915.27 is: 464,534.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,543.43 : 943,627.91 = 309,915.27 : x
  2. Step 2: Convert to fraction form
    629,543.43/943,627.91 = 309,915.27/x
  3. Step 3: Cross multiply
    629,543.43x = 943,627.91 × 309,915.27
  4. Step 4: Simplify right side
    629,543.43x = 292,444,696,957.61
  5. Step 5: Solve for x
    x = 292,444,696,957.61/629,543.43
  6. Step 6: Final answer
    x = 464,534.59

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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.