Home / 667,775.48-1,001,648.61-162,339.12

Finding the Fourth Proportional to 667,775.48, 1,001,648.61 and 162,339.12

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Solution

The fourth proportional to 667,775.48, 1,001,648.61 and 162,339.12 is: 243,505.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,775.48 : 1,001,648.61 = 162,339.12 : x
  2. Step 2: Convert to fraction form
    667,775.48/1,001,648.61 = 162,339.12/x
  3. Step 3: Cross multiply
    667,775.48x = 1,001,648.61 × 162,339.12
  4. Step 4: Simplify right side
    667,775.48x = 162,606,753,896.62
  5. Step 5: Solve for x
    x = 162,606,753,896.62/667,775.48
  6. Step 6: Final answer
    x = 243,505.13

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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.