Home / 806,719.80-1,207,455.30-628,260.60

Finding the Fourth Proportional to 806,719.80, 1,207,455.30 and 628,260.60

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Solution

The fourth proportional to 806,719.80, 1,207,455.30 and 628,260.60 is: 940,347.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,719.80 : 1,207,455.30 = 628,260.60 : x
  2. Step 2: Convert to fraction form
    806,719.80/1,207,455.30 = 628,260.60/x
  3. Step 3: Cross multiply
    806,719.80x = 1,207,455.30 × 628,260.60
  4. Step 4: Simplify right side
    806,719.80x = 758,596,591,251.18
  5. Step 5: Solve for x
    x = 758,596,591,251.18/806,719.80
  6. Step 6: Final answer
    x = 940,347.06

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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.