Home / 728,670.60-1,093,005.90-229,969.80

Finding the Fourth Proportional to 728,670.60, 1,093,005.90 and 229,969.80

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Solution

The fourth proportional to 728,670.60, 1,093,005.90 and 229,969.80 is: 344,954.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,670.60 : 1,093,005.90 = 229,969.80 : x
  2. Step 2: Convert to fraction form
    728,670.60/1,093,005.90 = 229,969.80/x
  3. Step 3: Cross multiply
    728,670.60x = 1,093,005.90 × 229,969.80
  4. Step 4: Simplify right side
    728,670.60x = 251,358,348,221.82
  5. Step 5: Solve for x
    x = 251,358,348,221.82/728,670.60
  6. Step 6: Final answer
    x = 344,954.70

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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.