Home / 685,301.12-1,027,360.44-329,826.08

Finding the Fourth Proportional to 685,301.12, 1,027,360.44 and 329,826.08

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Solution

The fourth proportional to 685,301.12, 1,027,360.44 and 329,826.08 is: 494,454.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,301.12 : 1,027,360.44 = 329,826.08 : x
  2. Step 2: Convert to fraction form
    685,301.12/1,027,360.44 = 329,826.08/x
  3. Step 3: Cross multiply
    685,301.12x = 1,027,360.44 × 329,826.08
  4. Step 4: Simplify right side
    685,301.12x = 338,850,266,672.28
  5. Step 5: Solve for x
    x = 338,850,266,672.28/685,301.12
  6. Step 6: Final answer
    x = 494,454.56

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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.