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Finding the Fourth Proportional to 635,881.64, 877,538.22 and 349,412

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Solution

The fourth proportional to 635,881.64, 877,538.22 and 349,412 is: 482,200.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,881.64 : 877,538.22 = 349,412 : x
  2. Step 2: Convert to fraction form
    635,881.64/877,538.22 = 349,412/x
  3. Step 3: Cross multiply
    635,881.64x = 877,538.22 × 349,412
  4. Step 4: Simplify right side
    635,881.64x = 306,622,384,526.64
  5. Step 5: Solve for x
    x = 306,622,384,526.64/635,881.64
  6. Step 6: Final answer
    x = 482,200.41

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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.