Home / 980,729.22-1,471,091.65-261,071.08

Finding the Fourth Proportional to 980,729.22, 1,471,091.65 and 261,071.08

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Solution

The fourth proportional to 980,729.22, 1,471,091.65 and 261,071.08 is: 391,606.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,729.22 : 1,471,091.65 = 261,071.08 : x
  2. Step 2: Convert to fraction form
    980,729.22/1,471,091.65 = 261,071.08/x
  3. Step 3: Cross multiply
    980,729.22x = 1,471,091.65 × 261,071.08
  4. Step 4: Simplify right side
    980,729.22x = 384,059,485,844.48
  5. Step 5: Solve for x
    x = 384,059,485,844.48/980,729.22
  6. Step 6: Final answer
    x = 391,606.04

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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.