Home / 842,743.60-1,162,701.29-479,910.17

Finding the Fourth Proportional to 842,743.60, 1,162,701.29 and 479,910.17

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Solution

The fourth proportional to 842,743.60, 1,162,701.29 and 479,910.17 is: 662,113.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,743.60 : 1,162,701.29 = 479,910.17 : x
  2. Step 2: Convert to fraction form
    842,743.60/1,162,701.29 = 479,910.17/x
  3. Step 3: Cross multiply
    842,743.60x = 1,162,701.29 × 479,910.17
  4. Step 4: Simplify right side
    842,743.60x = 557,992,177,849.65
  5. Step 5: Solve for x
    x = 557,992,177,849.65/842,743.60
  6. Step 6: Final answer
    x = 662,113.81

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Double scale
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1.5x scale

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.