Home / 682,155.30-1,023,942.66-502,443.65

Finding the Fourth Proportional to 682,155.30, 1,023,942.66 and 502,443.65

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Solution

The fourth proportional to 682,155.30, 1,023,942.66 and 502,443.65 is: 754,188.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,155.30 : 1,023,942.66 = 502,443.65 : x
  2. Step 2: Convert to fraction form
    682,155.30/1,023,942.66 = 502,443.65/x
  3. Step 3: Cross multiply
    682,155.30x = 1,023,942.66 × 502,443.65
  4. Step 4: Simplify right side
    682,155.30x = 514,473,482,361.40
  5. Step 5: Solve for x
    x = 514,473,482,361.40/682,155.30
  6. Step 6: Final answer
    x = 754,188.21

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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.