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Finding the Fourth Proportional to 635,855.52, 877,534.08 and 349,432.80

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Solution

The fourth proportional to 635,855.52, 877,534.08 and 349,432.80 is: 482,246.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,855.52 : 877,534.08 = 349,432.80 : x
  2. Step 2: Convert to fraction form
    635,855.52/877,534.08 = 349,432.80/x
  3. Step 3: Cross multiply
    635,855.52x = 877,534.08 × 349,432.80
  4. Step 4: Simplify right side
    635,855.52x = 306,639,190,669.82
  5. Step 5: Solve for x
    x = 306,639,190,669.82/635,855.52
  6. Step 6: Final answer
    x = 482,246.64

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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.