Home / 843,297.12-1,264,350.33-310,748.04

Finding the Fourth Proportional to 843,297.12, 1,264,350.33 and 310,748.04

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Solution

The fourth proportional to 843,297.12, 1,264,350.33 and 310,748.04 is: 465,902.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,297.12 : 1,264,350.33 = 310,748.04 : x
  2. Step 2: Convert to fraction form
    843,297.12/1,264,350.33 = 310,748.04/x
  3. Step 3: Cross multiply
    843,297.12x = 1,264,350.33 × 310,748.04
  4. Step 4: Simplify right side
    843,297.12x = 392,894,386,920.85
  5. Step 5: Solve for x
    x = 392,894,386,920.85/843,297.12
  6. Step 6: Final answer
    x = 465,902.68

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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.