Home / 410,407.28-566,597.64-312,845.36

Finding the Fourth Proportional to 410,407.28, 566,597.64 and 312,845.36

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Solution

The fourth proportional to 410,407.28, 566,597.64 and 312,845.36 is: 431,906.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,407.28 : 566,597.64 = 312,845.36 : x
  2. Step 2: Convert to fraction form
    410,407.28/566,597.64 = 312,845.36/x
  3. Step 3: Cross multiply
    410,407.28x = 566,597.64 × 312,845.36
  4. Step 4: Simplify right side
    410,407.28x = 177,257,442,660.95
  5. Step 5: Solve for x
    x = 177,257,442,660.95/410,407.28
  6. Step 6: Final answer
    x = 431,906.19

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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.