Home / 814,411.96-1,221,125.76-365,049.04

Finding the Fourth Proportional to 814,411.96, 1,221,125.76 and 365,049.04

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Solution

The fourth proportional to 814,411.96, 1,221,125.76 and 365,049.04 is: 547,352.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,411.96 : 1,221,125.76 = 365,049.04 : x
  2. Step 2: Convert to fraction form
    814,411.96/1,221,125.76 = 365,049.04/x
  3. Step 3: Cross multiply
    814,411.96x = 1,221,125.76 × 365,049.04
  4. Step 4: Simplify right side
    814,411.96x = 445,770,786,407.27
  5. Step 5: Solve for x
    x = 445,770,786,407.27/814,411.96
  6. Step 6: Final answer
    x = 547,352.95

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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.