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Finding the Fourth Proportional to 637,767.65, 880,119.26 and 351,287.73

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Solution

The fourth proportional to 637,767.65, 880,119.26 and 351,287.73 is: 484,777.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,767.65 : 880,119.26 = 351,287.73 : x
  2. Step 2: Convert to fraction form
    637,767.65/880,119.26 = 351,287.73/x
  3. Step 3: Cross multiply
    637,767.65x = 880,119.26 × 351,287.73
  4. Step 4: Simplify right side
    637,767.65x = 309,175,096,974.68
  5. Step 5: Solve for x
    x = 309,175,096,974.68/637,767.65
  6. Step 6: Final answer
    x = 484,777.01

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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.