Home / 865,373.70-1,298,061.48-225,676.98

Finding the Fourth Proportional to 865,373.70, 1,298,061.48 and 225,676.98

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Solution

The fourth proportional to 865,373.70, 1,298,061.48 and 225,676.98 is: 338,515.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,373.70 : 1,298,061.48 = 225,676.98 : x
  2. Step 2: Convert to fraction form
    865,373.70/1,298,061.48 = 225,676.98/x
  3. Step 3: Cross multiply
    865,373.70x = 1,298,061.48 × 225,676.98
  4. Step 4: Simplify right side
    865,373.70x = 292,942,594,660.73
  5. Step 5: Solve for x
    x = 292,942,594,660.73/865,373.70
  6. Step 6: Final answer
    x = 338,515.71

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Double scale
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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.