Home / 851,921.60-1,275,223.20-627,535.04

Finding the Fourth Proportional to 851,921.60, 1,275,223.20 and 627,535.04

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Solution

The fourth proportional to 851,921.60, 1,275,223.20 and 627,535.04 is: 939,343.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,921.60 : 1,275,223.20 = 627,535.04 : x
  2. Step 2: Convert to fraction form
    851,921.60/1,275,223.20 = 627,535.04/x
  3. Step 3: Cross multiply
    851,921.60x = 1,275,223.20 × 627,535.04
  4. Step 4: Simplify right side
    851,921.60x = 800,247,241,820.93
  5. Step 5: Solve for x
    x = 800,247,241,820.93/851,921.60
  6. Step 6: Final answer
    x = 939,343.76

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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.