Home / 476,714.80-657,887.10-272,829.72

Finding the Fourth Proportional to 476,714.80, 657,887.10 and 272,829.72

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Solution

The fourth proportional to 476,714.80, 657,887.10 and 272,829.72 is: 376,516.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,714.80 : 657,887.10 = 272,829.72 : x
  2. Step 2: Convert to fraction form
    476,714.80/657,887.10 = 272,829.72/x
  3. Step 3: Cross multiply
    476,714.80x = 657,887.10 × 272,829.72
  4. Step 4: Simplify right side
    476,714.80x = 179,491,153,284.61
  5. Step 5: Solve for x
    x = 179,491,153,284.61/476,714.80
  6. Step 6: Final answer
    x = 376,516.85

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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.