Home / 979,697.20-1,352,181.12-566,251.60

Finding the Fourth Proportional to 979,697.20, 1,352,181.12 and 566,251.60

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Solution

The fourth proportional to 979,697.20, 1,352,181.12 and 566,251.60 is: 781,542.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,697.20 : 1,352,181.12 = 566,251.60 : x
  2. Step 2: Convert to fraction form
    979,697.20/1,352,181.12 = 566,251.60/x
  3. Step 3: Cross multiply
    979,697.20x = 1,352,181.12 × 566,251.60
  4. Step 4: Simplify right side
    979,697.20x = 765,674,722,689.79
  5. Step 5: Solve for x
    x = 765,674,722,689.79/979,697.20
  6. Step 6: Final answer
    x = 781,542.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.