Home / 748,396.11-1,122,578.28-242,956.38

Finding the Fourth Proportional to 748,396.11, 1,122,578.28 and 242,956.38

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Solution

The fourth proportional to 748,396.11, 1,122,578.28 and 242,956.38 is: 364,429.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,396.11 : 1,122,578.28 = 242,956.38 : x
  2. Step 2: Convert to fraction form
    748,396.11/1,122,578.28 = 242,956.38/x
  3. Step 3: Cross multiply
    748,396.11x = 1,122,578.28 × 242,956.38
  4. Step 4: Simplify right side
    748,396.11x = 272,737,555,175.43
  5. Step 5: Solve for x
    x = 272,737,555,175.43/748,396.11
  6. Step 6: Final answer
    x = 364,429.41

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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.