Home / 808,549.88-1,211,626.67-328,193.18

Finding the Fourth Proportional to 808,549.88, 1,211,626.67 and 328,193.18

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Solution

The fourth proportional to 808,549.88, 1,211,626.67 and 328,193.18 is: 491,803.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,549.88 : 1,211,626.67 = 328,193.18 : x
  2. Step 2: Convert to fraction form
    808,549.88/1,211,626.67 = 328,193.18/x
  3. Step 3: Cross multiply
    808,549.88x = 1,211,626.67 × 328,193.18
  4. Step 4: Simplify right side
    808,549.88x = 397,647,606,644.61
  5. Step 5: Solve for x
    x = 397,647,606,644.61/808,549.88
  6. Step 6: Final answer
    x = 491,803.44

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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.