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Finding the Fourth Proportional to 635,818.08, 877,428.22 and 349,337.44

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Solution

The fourth proportional to 635,818.08, 877,428.22 and 349,337.44 is: 482,085.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,818.08 : 877,428.22 = 349,337.44 : x
  2. Step 2: Convert to fraction form
    635,818.08/877,428.22 = 349,337.44/x
  3. Step 3: Cross multiply
    635,818.08x = 877,428.22 × 349,337.44
  4. Step 4: Simplify right side
    635,818.08x = 306,518,528,158.56
  5. Step 5: Solve for x
    x = 306,518,528,158.56/635,818.08
  6. Step 6: Final answer
    x = 482,085.27

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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.