Home / 689,453.83-1,034,185.35-240,183.19

Finding the Fourth Proportional to 689,453.83, 1,034,185.35 and 240,183.19

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Solution

The fourth proportional to 689,453.83, 1,034,185.35 and 240,183.19 is: 360,276.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,453.83 : 1,034,185.35 = 240,183.19 : x
  2. Step 2: Convert to fraction form
    689,453.83/1,034,185.35 = 240,183.19/x
  3. Step 3: Cross multiply
    689,453.83x = 1,034,185.35 × 240,183.19
  4. Step 4: Simplify right side
    689,453.83x = 248,393,936,414.27
  5. Step 5: Solve for x
    x = 248,393,936,414.27/689,453.83
  6. Step 6: Final answer
    x = 360,276.39

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.