Home / 379,727.44-568,541.24-285,948.88

Finding the Fourth Proportional to 379,727.44, 568,541.24 and 285,948.88

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Solution

The fourth proportional to 379,727.44, 568,541.24 and 285,948.88 is: 428,132.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,727.44 : 568,541.24 = 285,948.88 : x
  2. Step 2: Convert to fraction form
    379,727.44/568,541.24 = 285,948.88/x
  3. Step 3: Cross multiply
    379,727.44x = 568,541.24 × 285,948.88
  4. Step 4: Simplify right side
    379,727.44x = 162,573,730,811.81
  5. Step 5: Solve for x
    x = 162,573,730,811.81/379,727.44
  6. Step 6: Final answer
    x = 428,132.69

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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.