Home / 842,575.92-1,162,666.89-479,923.80

Finding the Fourth Proportional to 842,575.92, 1,162,666.89 and 479,923.80

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Solution

The fourth proportional to 842,575.92, 1,162,666.89 and 479,923.80 is: 662,244.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,575.92 : 1,162,666.89 = 479,923.80 : x
  2. Step 2: Convert to fraction form
    842,575.92/1,162,666.89 = 479,923.80/x
  3. Step 3: Cross multiply
    842,575.92x = 1,162,666.89 × 479,923.80
  4. Step 4: Simplify right side
    842,575.92x = 557,991,511,982.98
  5. Step 5: Solve for x
    x = 557,991,511,982.98/842,575.92
  6. Step 6: Final answer
    x = 662,244.79

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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.