Home / 834,407.29-1,251,196.87-265,714.28

Finding the Fourth Proportional to 834,407.29, 1,251,196.87 and 265,714.28

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Solution

The fourth proportional to 834,407.29, 1,251,196.87 and 265,714.28 is: 398,439.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,407.29 : 1,251,196.87 = 265,714.28 : x
  2. Step 2: Convert to fraction form
    834,407.29/1,251,196.87 = 265,714.28/x
  3. Step 3: Cross multiply
    834,407.29x = 1,251,196.87 × 265,714.28
  4. Step 4: Simplify right side
    834,407.29x = 332,460,875,450.30
  5. Step 5: Solve for x
    x = 332,460,875,450.30/834,407.29
  6. Step 6: Final answer
    x = 398,439.56

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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.