Home / 666,762.49-1,000,042.30-217,482.76

Finding the Fourth Proportional to 666,762.49, 1,000,042.30 and 217,482.76

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Solution

The fourth proportional to 666,762.49, 1,000,042.30 and 217,482.76 is: 326,191.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,762.49 : 1,000,042.30 = 217,482.76 : x
  2. Step 2: Convert to fraction form
    666,762.49/1,000,042.30 = 217,482.76/x
  3. Step 3: Cross multiply
    666,762.49x = 1,000,042.30 × 217,482.76
  4. Step 4: Simplify right side
    666,762.49x = 217,491,959,520.75
  5. Step 5: Solve for x
    x = 217,491,959,520.75/666,762.49
  6. Step 6: Final answer
    x = 326,191.05

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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.