Home / 979,786.38-1,352,183.31-550,094.70

Finding the Fourth Proportional to 979,786.38, 1,352,183.31 and 550,094.70

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Solution

The fourth proportional to 979,786.38, 1,352,183.31 and 550,094.70 is: 759,174.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,786.38 : 1,352,183.31 = 550,094.70 : x
  2. Step 2: Convert to fraction form
    979,786.38/1,352,183.31 = 550,094.70/x
  3. Step 3: Cross multiply
    979,786.38x = 1,352,183.31 × 550,094.70
  4. Step 4: Simplify right side
    979,786.38x = 743,828,872,259.46
  5. Step 5: Solve for x
    x = 743,828,872,259.46/979,786.38
  6. Step 6: Final answer
    x = 759,174.54

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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.