Home / 782,614.65-1,079,506.40-537,481.11

Finding the Fourth Proportional to 782,614.65, 1,079,506.40 and 537,481.11

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Solution

The fourth proportional to 782,614.65, 1,079,506.40 and 537,481.11 is: 741,379.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,614.65 : 1,079,506.40 = 537,481.11 : x
  2. Step 2: Convert to fraction form
    782,614.65/1,079,506.40 = 537,481.11/x
  3. Step 3: Cross multiply
    782,614.65x = 1,079,506.40 × 537,481.11
  4. Step 4: Simplify right side
    782,614.65x = 580,214,295,436.70
  5. Step 5: Solve for x
    x = 580,214,295,436.70/782,614.65
  6. Step 6: Final answer
    x = 741,379.29

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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.