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Finding the Fourth Proportional to 637,728.12, 880,104.69 and 351,248.13

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Solution

The fourth proportional to 637,728.12, 880,104.69 and 351,248.13 is: 484,744.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,728.12 : 880,104.69 = 351,248.13 : x
  2. Step 2: Convert to fraction form
    637,728.12/880,104.69 = 351,248.13/x
  3. Step 3: Cross multiply
    637,728.12x = 880,104.69 × 351,248.13
  4. Step 4: Simplify right side
    637,728.12x = 309,135,126,566.73
  5. Step 5: Solve for x
    x = 309,135,126,566.73/637,728.12
  6. Step 6: Final answer
    x = 484,744.39

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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.