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Finding the Fourth Proportional to 454,800.30, 681,449.58 and 276,768.78

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Solution

The fourth proportional to 454,800.30, 681,449.58 and 276,768.78 is: 414,696.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,800.30 : 681,449.58 = 276,768.78 : x
  2. Step 2: Convert to fraction form
    454,800.30/681,449.58 = 276,768.78/x
  3. Step 3: Cross multiply
    454,800.30x = 681,449.58 × 276,768.78
  4. Step 4: Simplify right side
    454,800.30x = 188,603,968,888.11
  5. Step 5: Solve for x
    x = 188,603,968,888.11/454,800.30
  6. Step 6: Final answer
    x = 414,696.23

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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.