Home / 672,732.56-1,007,956.92-405,932.46

Finding the Fourth Proportional to 672,732.56, 1,007,956.92 and 405,932.46

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Solution

The fourth proportional to 672,732.56, 1,007,956.92 and 405,932.46 is: 608,209.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,732.56 : 1,007,956.92 = 405,932.46 : x
  2. Step 2: Convert to fraction form
    672,732.56/1,007,956.92 = 405,932.46/x
  3. Step 3: Cross multiply
    672,732.56x = 1,007,956.92 × 405,932.46
  4. Step 4: Simplify right side
    672,732.56x = 409,162,432,109.62
  5. Step 5: Solve for x
    x = 409,162,432,109.62/672,732.56
  6. Step 6: Final answer
    x = 608,209.65

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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.