Home / 861,664.20-1,292,496.30-483,750.60

Finding the Fourth Proportional to 861,664.20, 1,292,496.30 and 483,750.60

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Solution

The fourth proportional to 861,664.20, 1,292,496.30 and 483,750.60 is: 725,625.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,664.20 : 1,292,496.30 = 483,750.60 : x
  2. Step 2: Convert to fraction form
    861,664.20/1,292,496.30 = 483,750.60/x
  3. Step 3: Cross multiply
    861,664.20x = 1,292,496.30 × 483,750.60
  4. Step 4: Simplify right side
    861,664.20x = 625,245,860,622.78
  5. Step 5: Solve for x
    x = 625,245,860,622.78/861,664.20
  6. Step 6: Final answer
    x = 725,625.90

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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.