Home / 561,928.70-842,893.05-321,796.10

Finding the Fourth Proportional to 561,928.70, 842,893.05 and 321,796.10

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Solution

The fourth proportional to 561,928.70, 842,893.05 and 321,796.10 is: 482,694.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,928.70 : 842,893.05 = 321,796.10 : x
  2. Step 2: Convert to fraction form
    561,928.70/842,893.05 = 321,796.10/x
  3. Step 3: Cross multiply
    561,928.70x = 842,893.05 × 321,796.10
  4. Step 4: Simplify right side
    561,928.70x = 271,239,696,207.11
  5. Step 5: Solve for x
    x = 271,239,696,207.11/561,928.70
  6. Step 6: Final answer
    x = 482,694.15

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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.