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Finding the Fourth Proportional to 650,313.45, 974,207.77 and 479,224.60

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Solution

The fourth proportional to 650,313.45, 974,207.77 and 479,224.60 is: 717,906.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,313.45 : 974,207.77 = 479,224.60 : x
  2. Step 2: Convert to fraction form
    650,313.45/974,207.77 = 479,224.60/x
  3. Step 3: Cross multiply
    650,313.45x = 974,207.77 × 479,224.60
  4. Step 4: Simplify right side
    650,313.45x = 466,864,325,261.56
  5. Step 5: Solve for x
    x = 466,864,325,261.56/650,313.45
  6. Step 6: Final answer
    x = 717,906.61

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1.5x scale

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.