Home / 666,704.64-1,000,167.12-217,295.04

Finding the Fourth Proportional to 666,704.64, 1,000,167.12 and 217,295.04

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Solution

The fourth proportional to 666,704.64, 1,000,167.12 and 217,295.04 is: 325,978.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,704.64 : 1,000,167.12 = 217,295.04 : x
  2. Step 2: Convert to fraction form
    666,704.64/1,000,167.12 = 217,295.04/x
  3. Step 3: Cross multiply
    666,704.64x = 1,000,167.12 × 217,295.04
  4. Step 4: Simplify right side
    666,704.64x = 217,331,354,347.09
  5. Step 5: Solve for x
    x = 217,331,354,347.09/666,704.64
  6. Step 6: Final answer
    x = 325,978.46

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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.