Home / 744,999.20-1,117,672.32-212,527.52

Finding the Fourth Proportional to 744,999.20, 1,117,672.32 and 212,527.52

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Solution

The fourth proportional to 744,999.20, 1,117,672.32 and 212,527.52 is: 318,840.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,999.20 : 1,117,672.32 = 212,527.52 : x
  2. Step 2: Convert to fraction form
    744,999.20/1,117,672.32 = 212,527.52/x
  3. Step 3: Cross multiply
    744,999.20x = 1,117,672.32 × 212,527.52
  4. Step 4: Simplify right side
    744,999.20x = 237,536,126,342.25
  5. Step 5: Solve for x
    x = 237,536,126,342.25/744,999.20
  6. Step 6: Final answer
    x = 318,840.78

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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.