Home / 454,234.80-681,352.20-286,273.20

Finding the Fourth Proportional to 454,234.80, 681,352.20 and 286,273.20

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Solution

The fourth proportional to 454,234.80, 681,352.20 and 286,273.20 is: 429,409.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,234.80 : 681,352.20 = 286,273.20 : x
  2. Step 2: Convert to fraction form
    454,234.80/681,352.20 = 286,273.20/x
  3. Step 3: Cross multiply
    454,234.80x = 681,352.20 × 286,273.20
  4. Step 4: Simplify right side
    454,234.80x = 195,052,874,621.04
  5. Step 5: Solve for x
    x = 195,052,874,621.04/454,234.80
  6. Step 6: Final answer
    x = 429,409.80

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Similar ratio
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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.