Home / 815,000.46-1,222,430.22-365,601.12

Finding the Fourth Proportional to 815,000.46, 1,222,430.22 and 365,601.12

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Solution

The fourth proportional to 815,000.46, 1,222,430.22 and 365,601.12 is: 548,370.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,000.46 : 1,222,430.22 = 365,601.12 : x
  2. Step 2: Convert to fraction form
    815,000.46/1,222,430.22 = 365,601.12/x
  3. Step 3: Cross multiply
    815,000.46x = 1,222,430.22 × 365,601.12
  4. Step 4: Simplify right side
    815,000.46x = 446,921,857,553.85
  5. Step 5: Solve for x
    x = 446,921,857,553.85/815,000.46
  6. Step 6: Final answer
    x = 548,370.07

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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.