Home / 823,046.26-1,234,923.48-317,962.78

Finding the Fourth Proportional to 823,046.26, 1,234,923.48 and 317,962.78

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Solution

The fourth proportional to 823,046.26, 1,234,923.48 and 317,962.78 is: 477,080.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,046.26 : 1,234,923.48 = 317,962.78 : x
  2. Step 2: Convert to fraction form
    823,046.26/1,234,923.48 = 317,962.78/x
  3. Step 3: Cross multiply
    823,046.26x = 1,234,923.48 × 317,962.78
  4. Step 4: Simplify right side
    823,046.26x = 392,659,702,788.07
  5. Step 5: Solve for x
    x = 392,659,702,788.07/823,046.26
  6. Step 6: Final answer
    x = 477,080.96

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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.