Home / 637,768.28-880,120.13-351,288.35

Finding the Fourth Proportional to 637,768.28, 880,120.13 and 351,288.35

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Solution

The fourth proportional to 637,768.28, 880,120.13 and 351,288.35 is: 484,777.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,768.28 : 880,120.13 = 351,288.35 : x
  2. Step 2: Convert to fraction form
    637,768.28/880,120.13 = 351,288.35/x
  3. Step 3: Cross multiply
    637,768.28x = 880,120.13 × 351,288.35
  4. Step 4: Simplify right side
    637,768.28x = 309,175,948,713.34
  5. Step 5: Solve for x
    x = 309,175,948,713.34/637,768.28
  6. Step 6: Final answer
    x = 484,777.87

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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.