Home / 436,844.10-655,266.15-259,259.70

Finding the Fourth Proportional to 436,844.10, 655,266.15 and 259,259.70

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Solution

The fourth proportional to 436,844.10, 655,266.15 and 259,259.70 is: 388,889.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,844.10 : 655,266.15 = 259,259.70 : x
  2. Step 2: Convert to fraction form
    436,844.10/655,266.15 = 259,259.70/x
  3. Step 3: Cross multiply
    436,844.10x = 655,266.15 × 259,259.70
  4. Step 4: Simplify right side
    436,844.10x = 169,884,105,469.16
  5. Step 5: Solve for x
    x = 169,884,105,469.16/436,844.10
  6. Step 6: Final answer
    x = 388,889.55

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Similar ratio
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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.