Home / 993,500.20-1,489,229.70-487,282.60

Finding the Fourth Proportional to 993,500.20, 1,489,229.70 and 487,282.60

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Solution

The fourth proportional to 993,500.20, 1,489,229.70 and 487,282.60 is: 730,423.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,500.20 : 1,489,229.70 = 487,282.60 : x
  2. Step 2: Convert to fraction form
    993,500.20/1,489,229.70 = 487,282.60/x
  3. Step 3: Cross multiply
    993,500.20x = 1,489,229.70 × 487,282.60
  4. Step 4: Simplify right side
    993,500.20x = 725,675,720,213.22
  5. Step 5: Solve for x
    x = 725,675,720,213.22/993,500.20
  6. Step 6: Final answer
    x = 730,423.33

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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.