Home / 840,324.34-1,260,650.40-271,846.36

Finding the Fourth Proportional to 840,324.34, 1,260,650.40 and 271,846.36

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Solution

The fourth proportional to 840,324.34, 1,260,650.40 and 271,846.36 is: 407,822.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,324.34 : 1,260,650.40 = 271,846.36 : x
  2. Step 2: Convert to fraction form
    840,324.34/1,260,650.40 = 271,846.36/x
  3. Step 3: Cross multiply
    840,324.34x = 1,260,650.40 × 271,846.36
  4. Step 4: Simplify right side
    840,324.34x = 342,703,222,472.54
  5. Step 5: Solve for x
    x = 342,703,222,472.54/840,324.34
  6. Step 6: Final answer
    x = 407,822.56

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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.