Home / 605,961.20-908,723.10-306,342.20

Finding the Fourth Proportional to 605,961.20, 908,723.10 and 306,342.20

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Solution

The fourth proportional to 605,961.20, 908,723.10 and 306,342.20 is: 459,402.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,961.20 : 908,723.10 = 306,342.20 : x
  2. Step 2: Convert to fraction form
    605,961.20/908,723.10 = 306,342.20/x
  3. Step 3: Cross multiply
    605,961.20x = 908,723.10 × 306,342.20
  4. Step 4: Simplify right side
    605,961.20x = 278,380,233,644.82
  5. Step 5: Solve for x
    x = 278,380,233,644.82/605,961.20
  6. Step 6: Final answer
    x = 459,402.74

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Double scale
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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.