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Finding the Fourth Proportional to 650,508.50, 974,755.07 and 451,216.34

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Solution

The fourth proportional to 650,508.50, 974,755.07 and 451,216.34 is: 676,125.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,508.50 : 974,755.07 = 451,216.34 : x
  2. Step 2: Convert to fraction form
    650,508.50/974,755.07 = 451,216.34/x
  3. Step 3: Cross multiply
    650,508.50x = 974,755.07 × 451,216.34
  4. Step 4: Simplify right side
    650,508.50x = 439,825,415,081.84
  5. Step 5: Solve for x
    x = 439,825,415,081.84/650,508.50
  6. Step 6: Final answer
    x = 676,125.55

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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.