Home / 454,255.20-681,382.80-276,670.80

Finding the Fourth Proportional to 454,255.20, 681,382.80 and 276,670.80

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Solution

The fourth proportional to 454,255.20, 681,382.80 and 276,670.80 is: 415,006.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,255.20 : 681,382.80 = 276,670.80 : x
  2. Step 2: Convert to fraction form
    454,255.20/681,382.80 = 276,670.80/x
  3. Step 3: Cross multiply
    454,255.20x = 681,382.80 × 276,670.80
  4. Step 4: Simplify right side
    454,255.20x = 188,518,724,382.24
  5. Step 5: Solve for x
    x = 188,518,724,382.24/454,255.20
  6. Step 6: Final answer
    x = 415,006.20

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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.