Home / 467,822.39-645,540.66-263,876.66

Finding the Fourth Proportional to 467,822.39, 645,540.66 and 263,876.66

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Solution

The fourth proportional to 467,822.39, 645,540.66 and 263,876.66 is: 364,119.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,822.39 : 645,540.66 = 263,876.66 : x
  2. Step 2: Convert to fraction form
    467,822.39/645,540.66 = 263,876.66/x
  3. Step 3: Cross multiply
    467,822.39x = 645,540.66 × 263,876.66
  4. Step 4: Simplify right side
    467,822.39x = 170,343,115,005.81
  5. Step 5: Solve for x
    x = 170,343,115,005.81/467,822.39
  6. Step 6: Final answer
    x = 364,119.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.