Home / 389,834.43-584,956.59-276,712.26

Finding the Fourth Proportional to 389,834.43, 584,956.59 and 276,712.26

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Solution

The fourth proportional to 389,834.43, 584,956.59 and 276,712.26 is: 415,213.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,834.43 : 584,956.59 = 276,712.26 : x
  2. Step 2: Convert to fraction form
    389,834.43/584,956.59 = 276,712.26/x
  3. Step 3: Cross multiply
    389,834.43x = 584,956.59 × 276,712.26
  4. Step 4: Simplify right side
    389,834.43x = 161,864,660,020.79
  5. Step 5: Solve for x
    x = 161,864,660,020.79/389,834.43
  6. Step 6: Final answer
    x = 415,213.86

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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.