Home / 890,198.22-1,228,473.68-482,302.87

Finding the Fourth Proportional to 890,198.22, 1,228,473.68 and 482,302.87

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Solution

The fourth proportional to 890,198.22, 1,228,473.68 and 482,302.87 is: 665,578.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,198.22 : 1,228,473.68 = 482,302.87 : x
  2. Step 2: Convert to fraction form
    890,198.22/1,228,473.68 = 482,302.87/x
  3. Step 3: Cross multiply
    890,198.22x = 1,228,473.68 × 482,302.87
  4. Step 4: Simplify right side
    890,198.22x = 592,496,382,789.22
  5. Step 5: Solve for x
    x = 592,496,382,789.22/890,198.22
  6. Step 6: Final answer
    x = 665,578.04

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1.5x scale

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.