Home / 674,738.43-1,012,159.92-225,460.86

Finding the Fourth Proportional to 674,738.43, 1,012,159.92 and 225,460.86

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Solution

The fourth proportional to 674,738.43, 1,012,159.92 and 225,460.86 is: 338,208.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,738.43 : 1,012,159.92 = 225,460.86 : x
  2. Step 2: Convert to fraction form
    674,738.43/1,012,159.92 = 225,460.86/x
  3. Step 3: Cross multiply
    674,738.43x = 1,012,159.92 × 225,460.86
  4. Step 4: Simplify right side
    674,738.43x = 228,202,443,070.61
  5. Step 5: Solve for x
    x = 228,202,443,070.61/674,738.43
  6. Step 6: Final answer
    x = 338,208.75

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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.