Home / 852,414.93-1,278,575.64-515,365.11

Finding the Fourth Proportional to 852,414.93, 1,278,575.64 and 515,365.11

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Solution

The fourth proportional to 852,414.93, 1,278,575.64 and 515,365.11 is: 773,019.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,414.93 : 1,278,575.64 = 515,365.11 : x
  2. Step 2: Convert to fraction form
    852,414.93/1,278,575.64 = 515,365.11/x
  3. Step 3: Cross multiply
    852,414.93x = 1,278,575.64 × 515,365.11
  4. Step 4: Simplify right side
    852,414.93x = 658,933,275,351.92
  5. Step 5: Solve for x
    x = 658,933,275,351.92/852,414.93
  6. Step 6: Final answer
    x = 773,019.40

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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.