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Finding the Fourth Proportional to 637,758.14, 880,106.15 and 351,278.22

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Solution

The fourth proportional to 637,758.14, 880,106.15 and 351,278.22 is: 484,763.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,758.14 : 880,106.15 = 351,278.22 : x
  2. Step 2: Convert to fraction form
    637,758.14/880,106.15 = 351,278.22/x
  3. Step 3: Cross multiply
    637,758.14x = 880,106.15 × 351,278.22
  4. Step 4: Simplify right side
    637,758.14x = 309,162,120,026.66
  5. Step 5: Solve for x
    x = 309,162,120,026.66/637,758.14
  6. Step 6: Final answer
    x = 484,763.90

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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.