Home / 804,071.60-1,206,067.79-298,730.96

Finding the Fourth Proportional to 804,071.60, 1,206,067.79 and 298,730.96

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Solution

The fourth proportional to 804,071.60, 1,206,067.79 and 298,730.96 is: 448,081.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,071.60 : 1,206,067.79 = 298,730.96 : x
  2. Step 2: Convert to fraction form
    804,071.60/1,206,067.79 = 298,730.96/x
  3. Step 3: Cross multiply
    804,071.60x = 1,206,067.79 × 298,730.96
  4. Step 4: Simplify right side
    804,071.60x = 360,289,788,731.78
  5. Step 5: Solve for x
    x = 360,289,788,731.78/804,071.60
  6. Step 6: Final answer
    x = 448,081.72

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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.