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Finding the Fourth Proportional to 635,912.71, 877,549.41 and 349,426.65

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Solution

The fourth proportional to 635,912.71, 877,549.41 and 349,426.65 is: 482,203.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,912.71 : 877,549.41 = 349,426.65 : x
  2. Step 2: Convert to fraction form
    635,912.71/877,549.41 = 349,426.65/x
  3. Step 3: Cross multiply
    635,912.71x = 877,549.41 × 349,426.65
  4. Step 4: Simplify right side
    635,912.71x = 306,639,150,545.78
  5. Step 5: Solve for x
    x = 306,639,150,545.78/635,912.71
  6. Step 6: Final answer
    x = 482,203.21

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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.