Home / 856,249.60-1,284,633.54-323,933.80

Finding the Fourth Proportional to 856,249.60, 1,284,633.54 and 323,933.80

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Solution

The fourth proportional to 856,249.60, 1,284,633.54 and 323,933.80 is: 485,998.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,249.60 : 1,284,633.54 = 323,933.80 : x
  2. Step 2: Convert to fraction form
    856,249.60/1,284,633.54 = 323,933.80/x
  3. Step 3: Cross multiply
    856,249.60x = 1,284,633.54 × 323,933.80
  4. Step 4: Simplify right side
    856,249.60x = 416,136,224,219.65
  5. Step 5: Solve for x
    x = 416,136,224,219.65/856,249.60
  6. Step 6: Final answer
    x = 485,998.74

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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.