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Finding the Fourth Proportional to 503,824.80, 755,737.20 and 291,248.40

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Solution

The fourth proportional to 503,824.80, 755,737.20 and 291,248.40 is: 436,872.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,824.80 : 755,737.20 = 291,248.40 : x
  2. Step 2: Convert to fraction form
    503,824.80/755,737.20 = 291,248.40/x
  3. Step 3: Cross multiply
    503,824.80x = 755,737.20 × 291,248.40
  4. Step 4: Simplify right side
    503,824.80x = 220,107,250,320.48
  5. Step 5: Solve for x
    x = 220,107,250,320.48/503,824.80
  6. Step 6: Final answer
    x = 436,872.60

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1.5x scale

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.