Home / 490,204.91-676,499.18-272,422.76

Finding the Fourth Proportional to 490,204.91, 676,499.18 and 272,422.76

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Solution

The fourth proportional to 490,204.91, 676,499.18 and 272,422.76 is: 375,952.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,204.91 : 676,499.18 = 272,422.76 : x
  2. Step 2: Convert to fraction form
    490,204.91/676,499.18 = 272,422.76/x
  3. Step 3: Cross multiply
    490,204.91x = 676,499.18 × 272,422.76
  4. Step 4: Simplify right side
    490,204.91x = 184,293,773,753.34
  5. Step 5: Solve for x
    x = 184,293,773,753.34/490,204.91
  6. Step 6: Final answer
    x = 375,952.53

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1.5x scale

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.