Home / 666,730.89-1,000,206.50-217,321.29

Finding the Fourth Proportional to 666,730.89, 1,000,206.50 and 217,321.29

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Solution

The fourth proportional to 666,730.89, 1,000,206.50 and 217,321.29 is: 326,017.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,730.89 : 1,000,206.50 = 217,321.29 : x
  2. Step 2: Convert to fraction form
    666,730.89/1,000,206.50 = 217,321.29/x
  3. Step 3: Cross multiply
    666,730.89x = 1,000,206.50 × 217,321.29
  4. Step 4: Simplify right side
    666,730.89x = 217,366,165,759.78
  5. Step 5: Solve for x
    x = 217,366,165,759.78/666,730.89
  6. Step 6: Final answer
    x = 326,017.84

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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.