Home / 672,846.90-1,008,127.86-406,046.88

Finding the Fourth Proportional to 672,846.90, 1,008,127.86 and 406,046.88

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Solution

The fourth proportional to 672,846.90, 1,008,127.86 and 406,046.88 is: 608,380.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,846.90 : 1,008,127.86 = 406,046.88 : x
  2. Step 2: Convert to fraction form
    672,846.90/1,008,127.86 = 406,046.88/x
  3. Step 3: Cross multiply
    672,846.90x = 1,008,127.86 × 406,046.88
  4. Step 4: Simplify right side
    672,846.90x = 409,347,172,194.08
  5. Step 5: Solve for x
    x = 409,347,172,194.08/672,846.90
  6. Step 6: Final answer
    x = 608,380.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.