Home / 667,076.36-1,000,773.90-217,798.11

Finding the Fourth Proportional to 667,076.36, 1,000,773.90 and 217,798.11

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Solution

The fourth proportional to 667,076.36, 1,000,773.90 and 217,798.11 is: 326,749.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,076.36 : 1,000,773.90 = 217,798.11 : x
  2. Step 2: Convert to fraction form
    667,076.36/1,000,773.90 = 217,798.11/x
  3. Step 3: Cross multiply
    667,076.36x = 1,000,773.90 × 217,798.11
  4. Step 4: Simplify right side
    667,076.36x = 217,966,663,957.33
  5. Step 5: Solve for x
    x = 217,966,663,957.33/667,076.36
  6. Step 6: Final answer
    x = 326,749.20

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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.