Home / 858,492.10-1,287,738.15-227,469.70

Finding the Fourth Proportional to 858,492.10, 1,287,738.15 and 227,469.70

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Solution

The fourth proportional to 858,492.10, 1,287,738.15 and 227,469.70 is: 341,204.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,492.10 : 1,287,738.15 = 227,469.70 : x
  2. Step 2: Convert to fraction form
    858,492.10/1,287,738.15 = 227,469.70/x
  3. Step 3: Cross multiply
    858,492.10x = 1,287,738.15 × 227,469.70
  4. Step 4: Simplify right side
    858,492.10x = 292,921,410,659.06
  5. Step 5: Solve for x
    x = 292,921,410,659.06/858,492.10
  6. Step 6: Final answer
    x = 341,204.55

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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.