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Finding the Fourth Proportional to 609,990, 914,972.04 and 272,952.24

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Solution

The fourth proportional to 609,990, 914,972.04 and 272,952.24 is: 409,422.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,990 : 914,972.04 = 272,952.24 : x
  2. Step 2: Convert to fraction form
    609,990/914,972.04 = 272,952.24/x
  3. Step 3: Cross multiply
    609,990x = 914,972.04 × 272,952.24
  4. Step 4: Simplify right side
    609,990x = 249,743,667,855.37
  5. Step 5: Solve for x
    x = 249,743,667,855.37/609,990
  6. Step 6: Final answer
    x = 409,422.56

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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.