Home / 858,267.70-1,287,401.55-227,245.30

Finding the Fourth Proportional to 858,267.70, 1,287,401.55 and 227,245.30

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Solution

The fourth proportional to 858,267.70, 1,287,401.55 and 227,245.30 is: 340,867.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,267.70 : 1,287,401.55 = 227,245.30 : x
  2. Step 2: Convert to fraction form
    858,267.70/1,287,401.55 = 227,245.30/x
  3. Step 3: Cross multiply
    858,267.70x = 1,287,401.55 × 227,245.30
  4. Step 4: Simplify right side
    858,267.70x = 292,555,951,450.22
  5. Step 5: Solve for x
    x = 292,555,951,450.22/858,267.70
  6. Step 6: Final answer
    x = 340,867.95

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1.5x scale

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.