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Finding the Fourth Proportional to 490,891.74, 735,447.69 and 224,874.78

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Solution

The fourth proportional to 490,891.74, 735,447.69 and 224,874.78 is: 336,904.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,891.74 : 735,447.69 = 224,874.78 : x
  2. Step 2: Convert to fraction form
    490,891.74/735,447.69 = 224,874.78/x
  3. Step 3: Cross multiply
    490,891.74x = 735,447.69 × 224,874.78
  4. Step 4: Simplify right side
    490,891.74x = 165,383,637,490.26
  5. Step 5: Solve for x
    x = 165,383,637,490.26/490,891.74
  6. Step 6: Final answer
    x = 336,904.50

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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.