Home / 979,784.38-1,352,180.55-550,092.70

Finding the Fourth Proportional to 979,784.38, 1,352,180.55 and 550,092.70

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Solution

The fourth proportional to 979,784.38, 1,352,180.55 and 550,092.70 is: 759,171.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,784.38 : 1,352,180.55 = 550,092.70 : x
  2. Step 2: Convert to fraction form
    979,784.38/1,352,180.55 = 550,092.70/x
  3. Step 3: Cross multiply
    979,784.38x = 1,352,180.55 × 550,092.70
  4. Step 4: Simplify right side
    979,784.38x = 743,824,649,636.99
  5. Step 5: Solve for x
    x = 743,824,649,636.99/979,784.38
  6. Step 6: Final answer
    x = 759,171.78

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Double scale
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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.