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Finding the Fourth Proportional to 650,221.20, 974,019.60 and 450,766.80

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Solution

The fourth proportional to 650,221.20, 974,019.60 and 450,766.80 is: 675,240.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,221.20 : 974,019.60 = 450,766.80 : x
  2. Step 2: Convert to fraction form
    650,221.20/974,019.60 = 450,766.80/x
  3. Step 3: Cross multiply
    650,221.20x = 974,019.60 × 450,766.80
  4. Step 4: Simplify right side
    650,221.20x = 439,055,698,229.28
  5. Step 5: Solve for x
    x = 439,055,698,229.28/650,221.20
  6. Step 6: Final answer
    x = 675,240.52

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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.