Home / 948,645.92-1,422,968.88-449,737.76

Finding the Fourth Proportional to 948,645.92, 1,422,968.88 and 449,737.76

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Solution

The fourth proportional to 948,645.92, 1,422,968.88 and 449,737.76 is: 674,606.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,645.92 : 1,422,968.88 = 449,737.76 : x
  2. Step 2: Convert to fraction form
    948,645.92/1,422,968.88 = 449,737.76/x
  3. Step 3: Cross multiply
    948,645.92x = 1,422,968.88 × 449,737.76
  4. Step 4: Simplify right side
    948,645.92x = 639,962,836,640.91
  5. Step 5: Solve for x
    x = 639,962,836,640.91/948,645.92
  6. Step 6: Final answer
    x = 674,606.64

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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.