Home / 834,358.50-1,251,123.69-265,665.51

Finding the Fourth Proportional to 834,358.50, 1,251,123.69 and 265,665.51

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Solution

The fourth proportional to 834,358.50, 1,251,123.69 and 265,665.51 is: 398,366.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,358.50 : 1,251,123.69 = 265,665.51 : x
  2. Step 2: Convert to fraction form
    834,358.50/1,251,123.69 = 265,665.51/x
  3. Step 3: Cross multiply
    834,358.50x = 1,251,123.69 × 265,665.51
  4. Step 4: Simplify right side
    834,358.50x = 332,380,413,176.93
  5. Step 5: Solve for x
    x = 332,380,413,176.93/834,358.50
  6. Step 6: Final answer
    x = 398,366.43

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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.