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Finding the Fourth Proportional to 702,850.26, 969,894.98 and 412,422.72

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Solution

The fourth proportional to 702,850.26, 969,894.98 and 412,422.72 is: 569,120.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,850.26 : 969,894.98 = 412,422.72 : x
  2. Step 2: Convert to fraction form
    702,850.26/969,894.98 = 412,422.72/x
  3. Step 3: Cross multiply
    702,850.26x = 969,894.98 × 412,422.72
  4. Step 4: Simplify right side
    702,850.26x = 400,006,725,765.95
  5. Step 5: Solve for x
    x = 400,006,725,765.95/702,850.26
  6. Step 6: Final answer
    x = 569,120.83

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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.