Home / 823,046.16-1,234,716.66-290,876.16

Finding the Fourth Proportional to 823,046.16, 1,234,716.66 and 290,876.16

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Solution

The fourth proportional to 823,046.16, 1,234,716.66 and 290,876.16 is: 436,366.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,046.16 : 1,234,716.66 = 290,876.16 : x
  2. Step 2: Convert to fraction form
    823,046.16/1,234,716.66 = 290,876.16/x
  3. Step 3: Cross multiply
    823,046.16x = 1,234,716.66 × 290,876.16
  4. Step 4: Simplify right side
    823,046.16x = 359,149,640,748.83
  5. Step 5: Solve for x
    x = 359,149,640,748.83/823,046.16
  6. Step 6: Final answer
    x = 436,366.34

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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.