Home / 671,330.70-1,006,996.05-372,732.30

Finding the Fourth Proportional to 671,330.70, 1,006,996.05 and 372,732.30

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Solution

The fourth proportional to 671,330.70, 1,006,996.05 and 372,732.30 is: 559,098.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,330.70 : 1,006,996.05 = 372,732.30 : x
  2. Step 2: Convert to fraction form
    671,330.70/1,006,996.05 = 372,732.30/x
  3. Step 3: Cross multiply
    671,330.70x = 1,006,996.05 × 372,732.30
  4. Step 4: Simplify right side
    671,330.70x = 375,339,953,807.42
  5. Step 5: Solve for x
    x = 375,339,953,807.42/671,330.70
  6. Step 6: Final answer
    x = 559,098.45

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Double scale
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Similar ratio
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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.