Home / 969,077.20-1,337,352.78-539,404.60

Finding the Fourth Proportional to 969,077.20, 1,337,352.78 and 539,404.60

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Solution

The fourth proportional to 969,077.20, 1,337,352.78 and 539,404.60 is: 744,392.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,077.20 : 1,337,352.78 = 539,404.60 : x
  2. Step 2: Convert to fraction form
    969,077.20/1,337,352.78 = 539,404.60/x
  3. Step 3: Cross multiply
    969,077.20x = 1,337,352.78 × 539,404.60
  4. Step 4: Simplify right side
    969,077.20x = 721,374,241,354.79
  5. Step 5: Solve for x
    x = 721,374,241,354.79/969,077.20
  6. Step 6: Final answer
    x = 744,392.96

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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.