Home / 804,805.60-1,206,440.40-299,231.20

Finding the Fourth Proportional to 804,805.60, 1,206,440.40 and 299,231.20

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Solution

The fourth proportional to 804,805.60, 1,206,440.40 and 299,231.20 is: 448,561.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,805.60 : 1,206,440.40 = 299,231.20 : x
  2. Step 2: Convert to fraction form
    804,805.60/1,206,440.40 = 299,231.20/x
  3. Step 3: Cross multiply
    804,805.60x = 1,206,440.40 × 299,231.20
  4. Step 4: Simplify right side
    804,805.60x = 361,004,608,620.48
  5. Step 5: Solve for x
    x = 361,004,608,620.48/804,805.60
  6. Step 6: Final answer
    x = 448,561.25

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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.