Home / 804,597.60-1,206,128.40-299,023.20

Finding the Fourth Proportional to 804,597.60, 1,206,128.40 and 299,023.20

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Solution

The fourth proportional to 804,597.60, 1,206,128.40 and 299,023.20 is: 448,249.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,597.60 : 1,206,128.40 = 299,023.20 : x
  2. Step 2: Convert to fraction form
    804,597.60/1,206,128.40 = 299,023.20/x
  3. Step 3: Cross multiply
    804,597.60x = 1,206,128.40 × 299,023.20
  4. Step 4: Simplify right side
    804,597.60x = 360,660,373,778.88
  5. Step 5: Solve for x
    x = 360,660,373,778.88/804,597.60
  6. Step 6: Final answer
    x = 448,249.38

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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.