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Finding the Fourth Proportional to 703,591.08, 970,954.22 and 381,309.10

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Solution

The fourth proportional to 703,591.08, 970,954.22 and 381,309.10 is: 526,205.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,591.08 : 970,954.22 = 381,309.10 : x
  2. Step 2: Convert to fraction form
    703,591.08/970,954.22 = 381,309.10/x
  3. Step 3: Cross multiply
    703,591.08x = 970,954.22 × 381,309.10
  4. Step 4: Simplify right side
    703,591.08x = 370,233,679,769.40
  5. Step 5: Solve for x
    x = 370,233,679,769.40/703,591.08
  6. Step 6: Final answer
    x = 526,205.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.