Home / 1,005,363.20-1,508,190.60-331,329.80

Finding the Fourth Proportional to 1,005,363.20, 1,508,190.60 and 331,329.80

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Solution

The fourth proportional to 1,005,363.20, 1,508,190.60 and 331,329.80 is: 497,042.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,363.20 : 1,508,190.60 = 331,329.80 : x
  2. Step 2: Convert to fraction form
    1,005,363.20/1,508,190.60 = 331,329.80/x
  3. Step 3: Cross multiply
    1,005,363.20x = 1,508,190.60 × 331,329.80
  4. Step 4: Simplify right side
    1,005,363.20x = 499,708,489,859.88
  5. Step 5: Solve for x
    x = 499,708,489,859.88/1,005,363.20
  6. Step 6: Final answer
    x = 497,042.75

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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.