Home / 463,669.92-639,829.44-282,361.92

Finding the Fourth Proportional to 463,669.92, 639,829.44 and 282,361.92

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Solution

The fourth proportional to 463,669.92, 639,829.44 and 282,361.92 is: 389,638.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,669.92 : 639,829.44 = 282,361.92 : x
  2. Step 2: Convert to fraction form
    463,669.92/639,829.44 = 282,361.92/x
  3. Step 3: Cross multiply
    463,669.92x = 639,829.44 × 282,361.92
  4. Step 4: Simplify right side
    463,669.92x = 180,663,469,150.93
  5. Step 5: Solve for x
    x = 180,663,469,150.93/463,669.92
  6. Step 6: Final answer
    x = 389,638.11

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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.