Home / 809,701.20-1,215,070.20-472,741.20

Finding the Fourth Proportional to 809,701.20, 1,215,070.20 and 472,741.20

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Solution

The fourth proportional to 809,701.20, 1,215,070.20 and 472,741.20 is: 709,414.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,701.20 : 1,215,070.20 = 472,741.20 : x
  2. Step 2: Convert to fraction form
    809,701.20/1,215,070.20 = 472,741.20/x
  3. Step 3: Cross multiply
    809,701.20x = 1,215,070.20 × 472,741.20
  4. Step 4: Simplify right side
    809,701.20x = 574,413,744,432.24
  5. Step 5: Solve for x
    x = 574,413,744,432.24/809,701.20
  6. Step 6: Final answer
    x = 709,414.47

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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.