Home / 842,732.91-1,162,686.56-479,899.49

Finding the Fourth Proportional to 842,732.91, 1,162,686.56 and 479,899.49

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Solution

The fourth proportional to 842,732.91, 1,162,686.56 and 479,899.49 is: 662,099.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,732.91 : 1,162,686.56 = 479,899.49 : x
  2. Step 2: Convert to fraction form
    842,732.91/1,162,686.56 = 479,899.49/x
  3. Step 3: Cross multiply
    842,732.91x = 1,162,686.56 × 479,899.49
  4. Step 4: Simplify right side
    842,732.91x = 557,972,678,960.92
  5. Step 5: Solve for x
    x = 557,972,678,960.92/842,732.91
  6. Step 6: Final answer
    x = 662,099.07

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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.