Home / 928,766.52-1,392,912.78-288,945.24

Finding the Fourth Proportional to 928,766.52, 1,392,912.78 and 288,945.24

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Solution

The fourth proportional to 928,766.52, 1,392,912.78 and 288,945.24 is: 433,344.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,766.52 : 1,392,912.78 = 288,945.24 : x
  2. Step 2: Convert to fraction form
    928,766.52/1,392,912.78 = 288,945.24/x
  3. Step 3: Cross multiply
    928,766.52x = 1,392,912.78 × 288,945.24
  4. Step 4: Simplify right side
    928,766.52x = 402,475,517,516.17
  5. Step 5: Solve for x
    x = 402,475,517,516.17/928,766.52
  6. Step 6: Final answer
    x = 433,344.13

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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.