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Finding the Fourth Proportional to 635,364.62, 876,818.50 and 344,988.54

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Solution

The fourth proportional to 635,364.62, 876,818.50 and 344,988.54 is: 476,092.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,364.62 : 876,818.50 = 344,988.54 : x
  2. Step 2: Convert to fraction form
    635,364.62/876,818.50 = 344,988.54/x
  3. Step 3: Cross multiply
    635,364.62x = 876,818.50 × 344,988.54
  4. Step 4: Simplify right side
    635,364.62x = 302,492,334,159.99
  5. Step 5: Solve for x
    x = 302,492,334,159.99/635,364.62
  6. Step 6: Final answer
    x = 476,092.51

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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.