Home / 784,481.25-1,176,719.94-442,769.76

Finding the Fourth Proportional to 784,481.25, 1,176,719.94 and 442,769.76

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Solution

The fourth proportional to 784,481.25, 1,176,719.94 and 442,769.76 is: 664,153.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,481.25 : 1,176,719.94 = 442,769.76 : x
  2. Step 2: Convert to fraction form
    784,481.25/1,176,719.94 = 442,769.76/x
  3. Step 3: Cross multiply
    784,481.25x = 1,176,719.94 × 442,769.76
  4. Step 4: Simplify right side
    784,481.25x = 521,016,009,833.71
  5. Step 5: Solve for x
    x = 521,016,009,833.71/784,481.25
  6. Step 6: Final answer
    x = 664,153.56

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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.