Home / 465,829.52-642,867.84-284,512.10

Finding the Fourth Proportional to 465,829.52, 642,867.84 and 284,512.10

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Solution

The fourth proportional to 465,829.52, 642,867.84 and 284,512.10 is: 392,640.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,829.52 : 642,867.84 = 284,512.10 : x
  2. Step 2: Convert to fraction form
    465,829.52/642,867.84 = 284,512.10/x
  3. Step 3: Cross multiply
    465,829.52x = 642,867.84 × 284,512.10
  4. Step 4: Simplify right side
    465,829.52x = 182,903,675,966.53
  5. Step 5: Solve for x
    x = 182,903,675,966.53/465,829.52
  6. Step 6: Final answer
    x = 392,640.81

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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.