Home / 723,568.20-998,452.98-401,272.68

Finding the Fourth Proportional to 723,568.20, 998,452.98 and 401,272.68

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Solution

The fourth proportional to 723,568.20, 998,452.98 and 401,272.68 is: 553,716.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,568.20 : 998,452.98 = 401,272.68 : x
  2. Step 2: Convert to fraction form
    723,568.20/998,452.98 = 401,272.68/x
  3. Step 3: Cross multiply
    723,568.20x = 998,452.98 × 401,272.68
  4. Step 4: Simplify right side
    723,568.20x = 400,651,903,138.59
  5. Step 5: Solve for x
    x = 400,651,903,138.59/723,568.20
  6. Step 6: Final answer
    x = 553,716.85

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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.