Home / 475,847.22-656,679.38-260,986.76

Finding the Fourth Proportional to 475,847.22, 656,679.38 and 260,986.76

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Solution

The fourth proportional to 475,847.22, 656,679.38 and 260,986.76 is: 360,167.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,847.22 : 656,679.38 = 260,986.76 : x
  2. Step 2: Convert to fraction form
    475,847.22/656,679.38 = 260,986.76/x
  3. Step 3: Cross multiply
    475,847.22x = 656,679.38 × 260,986.76
  4. Step 4: Simplify right side
    475,847.22x = 171,384,619,156.68
  5. Step 5: Solve for x
    x = 171,384,619,156.68/475,847.22
  6. Step 6: Final answer
    x = 360,167.32

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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.