Home / 479,366.20-661,503.18-275,273.54

Finding the Fourth Proportional to 479,366.20, 661,503.18 and 275,273.54

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Solution

The fourth proportional to 479,366.20, 661,503.18 and 275,273.54 is: 379,864.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,366.20 : 661,503.18 = 275,273.54 : x
  2. Step 2: Convert to fraction form
    479,366.20/661,503.18 = 275,273.54/x
  3. Step 3: Cross multiply
    479,366.20x = 661,503.18 × 275,273.54
  4. Step 4: Simplify right side
    479,366.20x = 182,094,322,079.86
  5. Step 5: Solve for x
    x = 182,094,322,079.86/479,366.20
  6. Step 6: Final answer
    x = 379,864.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.