Home / 865,990.39-1,298,832.49-234,953.41

Finding the Fourth Proportional to 865,990.39, 1,298,832.49 and 234,953.41

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Solution

The fourth proportional to 865,990.39, 1,298,832.49 and 234,953.41 is: 352,388.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,990.39 : 1,298,832.49 = 234,953.41 : x
  2. Step 2: Convert to fraction form
    865,990.39/1,298,832.49 = 234,953.41/x
  3. Step 3: Cross multiply
    865,990.39x = 1,298,832.49 × 234,953.41
  4. Step 4: Simplify right side
    865,990.39x = 305,165,122,544.29
  5. Step 5: Solve for x
    x = 305,165,122,544.29/865,990.39
  6. Step 6: Final answer
    x = 352,388.58

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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.