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Finding the Fourth Proportional to 703,592.70, 970,958.75 and 381,302.79

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Solution

The fourth proportional to 703,592.70, 970,958.75 and 381,302.79 is: 526,198.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,592.70 : 970,958.75 = 381,302.79 : x
  2. Step 2: Convert to fraction form
    703,592.70/970,958.75 = 381,302.79/x
  3. Step 3: Cross multiply
    703,592.70x = 970,958.75 × 381,302.79
  4. Step 4: Simplify right side
    703,592.70x = 370,229,280,349.91
  5. Step 5: Solve for x
    x = 370,229,280,349.91/703,592.70
  6. Step 6: Final answer
    x = 526,198.30

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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.