Home / 834,372.37-1,251,144.09-265,679.23

Finding the Fourth Proportional to 834,372.37, 1,251,144.09 and 265,679.23

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Solution

The fourth proportional to 834,372.37, 1,251,144.09 and 265,679.23 is: 398,386.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,372.37 : 1,251,144.09 = 265,679.23 : x
  2. Step 2: Convert to fraction form
    834,372.37/1,251,144.09 = 265,679.23/x
  3. Step 3: Cross multiply
    834,372.37x = 1,251,144.09 × 265,679.23
  4. Step 4: Simplify right side
    834,372.37x = 332,402,998,450.25
  5. Step 5: Solve for x
    x = 332,402,998,450.25/834,372.37
  6. Step 6: Final answer
    x = 398,386.87

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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.