Home / 534,911.60-738,253.68-331,028.20

Finding the Fourth Proportional to 534,911.60, 738,253.68 and 331,028.20

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Solution

The fourth proportional to 534,911.60, 738,253.68 and 331,028.20 is: 456,865.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,911.60 : 738,253.68 = 331,028.20 : x
  2. Step 2: Convert to fraction form
    534,911.60/738,253.68 = 331,028.20/x
  3. Step 3: Cross multiply
    534,911.60x = 738,253.68 × 331,028.20
  4. Step 4: Simplify right side
    534,911.60x = 244,382,786,833.78
  5. Step 5: Solve for x
    x = 244,382,786,833.78/534,911.60
  6. Step 6: Final answer
    x = 456,865.75

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1.5x scale

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.