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Finding the Fourth Proportional to 582,449.76, 873,884.88 and 203,426.28

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Solution

The fourth proportional to 582,449.76, 873,884.88 and 203,426.28 is: 305,212.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,449.76 : 873,884.88 = 203,426.28 : x
  2. Step 2: Convert to fraction form
    582,449.76/873,884.88 = 203,426.28/x
  3. Step 3: Cross multiply
    582,449.76x = 873,884.88 × 203,426.28
  4. Step 4: Simplify right side
    582,449.76x = 177,771,150,286.65
  5. Step 5: Solve for x
    x = 177,771,150,286.65/582,449.76
  6. Step 6: Final answer
    x = 305,212.85

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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.