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Finding the Fourth Proportional to 568,298.41, 784,253.44 and 310,177.72

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Solution

The fourth proportional to 568,298.41, 784,253.44 and 310,177.72 is: 428,046.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,298.41 : 784,253.44 = 310,177.72 : x
  2. Step 2: Convert to fraction form
    568,298.41/784,253.44 = 310,177.72/x
  3. Step 3: Cross multiply
    568,298.41x = 784,253.44 × 310,177.72
  4. Step 4: Simplify right side
    568,298.41x = 243,257,943,921.36
  5. Step 5: Solve for x
    x = 243,257,943,921.36/568,298.41
  6. Step 6: Final answer
    x = 428,046.15

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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.