Home / 782,620.65-1,079,514.66-537,487.11

Finding the Fourth Proportional to 782,620.65, 1,079,514.66 and 537,487.11

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Solution

The fourth proportional to 782,620.65, 1,079,514.66 and 537,487.11 is: 741,387.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,620.65 : 1,079,514.66 = 537,487.11 : x
  2. Step 2: Convert to fraction form
    782,620.65/1,079,514.66 = 537,487.11/x
  3. Step 3: Cross multiply
    782,620.65x = 1,079,514.66 × 537,487.11
  4. Step 4: Simplify right side
    782,620.65x = 580,225,214,806.03
  5. Step 5: Solve for x
    x = 580,225,214,806.03/782,620.65
  6. Step 6: Final answer
    x = 741,387.56

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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.