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Finding the Fourth Proportional to 637,553.32, 879,829.32 and 351,074.56

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Solution

The fourth proportional to 637,553.32, 879,829.32 and 351,074.56 is: 484,486.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,553.32 : 879,829.32 = 351,074.56 : x
  2. Step 2: Convert to fraction form
    637,553.32/879,829.32 = 351,074.56/x
  3. Step 3: Cross multiply
    637,553.32x = 879,829.32 × 351,074.56
  4. Step 4: Simplify right side
    637,553.32x = 308,885,691,394.10
  5. Step 5: Solve for x
    x = 308,885,691,394.10/637,553.32
  6. Step 6: Final answer
    x = 484,486.05

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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.