Home / 766,865.60-1,150,735.80-293,890.40

Finding the Fourth Proportional to 766,865.60, 1,150,735.80 and 293,890.40

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Solution

The fourth proportional to 766,865.60, 1,150,735.80 and 293,890.40 is: 441,003.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,865.60 : 1,150,735.80 = 293,890.40 : x
  2. Step 2: Convert to fraction form
    766,865.60/1,150,735.80 = 293,890.40/x
  3. Step 3: Cross multiply
    766,865.60x = 1,150,735.80 × 293,890.40
  4. Step 4: Simplify right side
    766,865.60x = 338,190,204,556.32
  5. Step 5: Solve for x
    x = 338,190,204,556.32/766,865.60
  6. Step 6: Final answer
    x = 441,003.23

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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.