Home / 842,712.66-1,162,658.61-479,879.24

Finding the Fourth Proportional to 842,712.66, 1,162,658.61 and 479,879.24

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Solution

The fourth proportional to 842,712.66, 1,162,658.61 and 479,879.24 is: 662,071.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,712.66 : 1,162,658.61 = 479,879.24 : x
  2. Step 2: Convert to fraction form
    842,712.66/1,162,658.61 = 479,879.24/x
  3. Step 3: Cross multiply
    842,712.66x = 1,162,658.61 × 479,879.24
  4. Step 4: Simplify right side
    842,712.66x = 557,935,724,332.96
  5. Step 5: Solve for x
    x = 557,935,724,332.96/842,712.66
  6. Step 6: Final answer
    x = 662,071.13

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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.