Home / 744,999.10-1,117,498.65-272,023.90

Finding the Fourth Proportional to 744,999.10, 1,117,498.65 and 272,023.90

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Solution

The fourth proportional to 744,999.10, 1,117,498.65 and 272,023.90 is: 408,035.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,999.10 : 1,117,498.65 = 272,023.90 : x
  2. Step 2: Convert to fraction form
    744,999.10/1,117,498.65 = 272,023.90/x
  3. Step 3: Cross multiply
    744,999.10x = 1,117,498.65 × 272,023.90
  4. Step 4: Simplify right side
    744,999.10x = 303,986,341,017.74
  5. Step 5: Solve for x
    x = 303,986,341,017.74/744,999.10
  6. Step 6: Final answer
    x = 408,035.85

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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.