Home / 703,517.70-1,055,276.55-628,722.30

Finding the Fourth Proportional to 703,517.70, 1,055,276.55 and 628,722.30

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Solution

The fourth proportional to 703,517.70, 1,055,276.55 and 628,722.30 is: 943,083.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,517.70 : 1,055,276.55 = 628,722.30 : x
  2. Step 2: Convert to fraction form
    703,517.70/1,055,276.55 = 628,722.30/x
  3. Step 3: Cross multiply
    703,517.70x = 1,055,276.55 × 628,722.30
  4. Step 4: Simplify right side
    703,517.70x = 663,475,899,652.07
  5. Step 5: Solve for x
    x = 663,475,899,652.07/703,517.70
  6. Step 6: Final answer
    x = 943,083.45

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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.