Home / 980,260.56-1,352,711.52-550,558.80

Finding the Fourth Proportional to 980,260.56, 1,352,711.52 and 550,558.80

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Solution

The fourth proportional to 980,260.56, 1,352,711.52 and 550,558.80 is: 759,744.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,260.56 : 1,352,711.52 = 550,558.80 : x
  2. Step 2: Convert to fraction form
    980,260.56/1,352,711.52 = 550,558.80/x
  3. Step 3: Cross multiply
    980,260.56x = 1,352,711.52 × 550,558.80
  4. Step 4: Simplify right side
    980,260.56x = 744,747,231,197.38
  5. Step 5: Solve for x
    x = 744,747,231,197.38/980,260.56
  6. Step 6: Final answer
    x = 759,744.16

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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.