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Finding the Fourth Proportional to 476,714.42, 657,702.95 and 272,691.01

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Solution

The fourth proportional to 476,714.42, 657,702.95 and 272,691.01 is: 376,220.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,714.42 : 657,702.95 = 272,691.01 : x
  2. Step 2: Convert to fraction form
    476,714.42/657,702.95 = 272,691.01/x
  3. Step 3: Cross multiply
    476,714.42x = 657,702.95 × 272,691.01
  4. Step 4: Simplify right side
    476,714.42x = 179,349,681,715.48
  5. Step 5: Solve for x
    x = 179,349,681,715.48/476,714.42
  6. Step 6: Final answer
    x = 376,220.38

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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.