Home / 666,730.08-1,000,254.29-217,451.43

Finding the Fourth Proportional to 666,730.08, 1,000,254.29 and 217,451.43

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Solution

The fourth proportional to 666,730.08, 1,000,254.29 and 217,451.43 is: 326,229.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,730.08 : 1,000,254.29 = 217,451.43 : x
  2. Step 2: Convert to fraction form
    666,730.08/1,000,254.29 = 217,451.43/x
  3. Step 3: Cross multiply
    666,730.08x = 1,000,254.29 × 217,451.43
  4. Step 4: Simplify right side
    666,730.08x = 217,506,724,636.88
  5. Step 5: Solve for x
    x = 217,506,724,636.88/666,730.08
  6. Step 6: Final answer
    x = 326,229.06

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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.