Home / 681,046.20-1,020,840.30-231,350.40

Finding the Fourth Proportional to 681,046.20, 1,020,840.30 and 231,350.40

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Solution

The fourth proportional to 681,046.20, 1,020,840.30 and 231,350.40 is: 346,777.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,046.20 : 1,020,840.30 = 231,350.40 : x
  2. Step 2: Convert to fraction form
    681,046.20/1,020,840.30 = 231,350.40/x
  3. Step 3: Cross multiply
    681,046.20x = 1,020,840.30 × 231,350.40
  4. Step 4: Simplify right side
    681,046.20x = 236,171,811,741.12
  5. Step 5: Solve for x
    x = 236,171,811,741.12/681,046.20
  6. Step 6: Final answer
    x = 346,777.96

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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.