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Finding the Fourth Proportional to 608,229.20, 839,470.20 and 353,617.04

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Solution

The fourth proportional to 608,229.20, 839,470.20 and 353,617.04 is: 488,057.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,229.20 : 839,470.20 = 353,617.04 : x
  2. Step 2: Convert to fraction form
    608,229.20/839,470.20 = 353,617.04/x
  3. Step 3: Cross multiply
    608,229.20x = 839,470.20 × 353,617.04
  4. Step 4: Simplify right side
    608,229.20x = 296,850,967,292.21
  5. Step 5: Solve for x
    x = 296,850,967,292.21/608,229.20
  6. Step 6: Final answer
    x = 488,057.74

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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.