Home / 948,899.91-1,423,422.78-274,990.44

Finding the Fourth Proportional to 948,899.91, 1,423,422.78 and 274,990.44

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Solution

The fourth proportional to 948,899.91, 1,423,422.78 and 274,990.44 is: 412,506.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,899.91 : 1,423,422.78 = 274,990.44 : x
  2. Step 2: Convert to fraction form
    948,899.91/1,423,422.78 = 274,990.44/x
  3. Step 3: Cross multiply
    948,899.91x = 1,423,422.78 × 274,990.44
  4. Step 4: Simplify right side
    948,899.91x = 391,427,656,578.22
  5. Step 5: Solve for x
    x = 391,427,656,578.22/948,899.91
  6. Step 6: Final answer
    x = 412,506.79

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1.5x scale

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.