Home / 858,403.20-1,287,604.96-227,366.40

Finding the Fourth Proportional to 858,403.20, 1,287,604.96 and 227,366.40

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Solution

The fourth proportional to 858,403.20, 1,287,604.96 and 227,366.40 is: 341,049.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,403.20 : 1,287,604.96 = 227,366.40 : x
  2. Step 2: Convert to fraction form
    858,403.20/1,287,604.96 = 227,366.40/x
  3. Step 3: Cross multiply
    858,403.20x = 1,287,604.96 × 227,366.40
  4. Step 4: Simplify right side
    858,403.20x = 292,758,104,377.34
  5. Step 5: Solve for x
    x = 292,758,104,377.34/858,403.20
  6. Step 6: Final answer
    x = 341,049.64

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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.