Home / 980,233.20-1,352,793.60-550,538.64

Finding the Fourth Proportional to 980,233.20, 1,352,793.60 and 550,538.64

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Solution

The fourth proportional to 980,233.20, 1,352,793.60 and 550,538.64 is: 759,783.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,233.20 : 1,352,793.60 = 550,538.64 : x
  2. Step 2: Convert to fraction form
    980,233.20/1,352,793.60 = 550,538.64/x
  3. Step 3: Cross multiply
    980,233.20x = 1,352,793.60 × 550,538.64
  4. Step 4: Simplify right side
    980,233.20x = 744,765,148,744.70
  5. Step 5: Solve for x
    x = 744,765,148,744.70/980,233.20
  6. Step 6: Final answer
    x = 759,783.64

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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.