Home / 681,442.20-1,022,163.30-471,490.20

Finding the Fourth Proportional to 681,442.20, 1,022,163.30 and 471,490.20

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Solution

The fourth proportional to 681,442.20, 1,022,163.30 and 471,490.20 is: 707,235.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,442.20 : 1,022,163.30 = 471,490.20 : x
  2. Step 2: Convert to fraction form
    681,442.20/1,022,163.30 = 471,490.20/x
  3. Step 3: Cross multiply
    681,442.20x = 1,022,163.30 × 471,490.20
  4. Step 4: Simplify right side
    681,442.20x = 481,939,978,749.66
  5. Step 5: Solve for x
    x = 481,939,978,749.66/681,442.20
  6. Step 6: Final answer
    x = 707,235.30

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Half scale
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Double scale
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Similar ratio
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1.5x scale

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.