Home / 980,097.30-1,352,534.38-550,377.72

Finding the Fourth Proportional to 980,097.30, 1,352,534.38 and 550,377.72

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Solution

The fourth proportional to 980,097.30, 1,352,534.38 and 550,377.72 is: 759,521.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,097.30 : 1,352,534.38 = 550,377.72 : x
  2. Step 2: Convert to fraction form
    980,097.30/1,352,534.38 = 550,377.72/x
  3. Step 3: Cross multiply
    980,097.30x = 1,352,534.38 × 550,377.72
  4. Step 4: Simplify right side
    980,097.30x = 744,404,788,286.01
  5. Step 5: Solve for x
    x = 744,404,788,286.01/980,097.30
  6. Step 6: Final answer
    x = 759,521.31

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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.