Home / 667,095.60-1,000,672.56-217,812.96

Finding the Fourth Proportional to 667,095.60, 1,000,672.56 and 217,812.96

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Solution

The fourth proportional to 667,095.60, 1,000,672.56 and 217,812.96 is: 326,728.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,095.60 : 1,000,672.56 = 217,812.96 : x
  2. Step 2: Convert to fraction form
    667,095.60/1,000,672.56 = 217,812.96/x
  3. Step 3: Cross multiply
    667,095.60x = 1,000,672.56 × 217,812.96
  4. Step 4: Simplify right side
    667,095.60x = 217,959,452,284.38
  5. Step 5: Solve for x
    x = 217,959,452,284.38/667,095.60
  6. Step 6: Final answer
    x = 326,728.96

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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.