Home / 804,028.60-1,204,293.30-487,934.20

Finding the Fourth Proportional to 804,028.60, 1,204,293.30 and 487,934.20

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Solution

The fourth proportional to 804,028.60, 1,204,293.30 and 487,934.20 is: 730,839.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,028.60 : 1,204,293.30 = 487,934.20 : x
  2. Step 2: Convert to fraction form
    804,028.60/1,204,293.30 = 487,934.20/x
  3. Step 3: Cross multiply
    804,028.60x = 1,204,293.30 × 487,934.20
  4. Step 4: Simplify right side
    804,028.60x = 587,615,887,900.86
  5. Step 5: Solve for x
    x = 587,615,887,900.86/804,028.60
  6. Step 6: Final answer
    x = 730,839.53

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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.