Home / 765,062.11-1,145,377.06-576,317.38

Finding the Fourth Proportional to 765,062.11, 1,145,377.06 and 576,317.38

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Solution

The fourth proportional to 765,062.11, 1,145,377.06 and 576,317.38 is: 862,806.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,062.11 : 1,145,377.06 = 576,317.38 : x
  2. Step 2: Convert to fraction form
    765,062.11/1,145,377.06 = 576,317.38/x
  3. Step 3: Cross multiply
    765,062.11x = 1,145,377.06 × 576,317.38
  4. Step 4: Simplify right side
    765,062.11x = 660,100,704,174.65
  5. Step 5: Solve for x
    x = 660,100,704,174.65/765,062.11
  6. Step 6: Final answer
    x = 862,806.69

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1.5x scale

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.