Home / 681,023.60-1,021,540.80-207,713.60

Finding the Fourth Proportional to 681,023.60, 1,021,540.80 and 207,713.60

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Solution

The fourth proportional to 681,023.60, 1,021,540.80 and 207,713.60 is: 311,572.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,023.60 : 1,021,540.80 = 207,713.60 : x
  2. Step 2: Convert to fraction form
    681,023.60/1,021,540.80 = 207,713.60/x
  3. Step 3: Cross multiply
    681,023.60x = 1,021,540.80 × 207,713.60
  4. Step 4: Simplify right side
    681,023.60x = 212,187,917,114.88
  5. Step 5: Solve for x
    x = 212,187,917,114.88/681,023.60
  6. Step 6: Final answer
    x = 311,572.05

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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.