Home / 816,111.80-1,224,282.90-255,087.80

Finding the Fourth Proportional to 816,111.80, 1,224,282.90 and 255,087.80

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Solution

The fourth proportional to 816,111.80, 1,224,282.90 and 255,087.80 is: 382,667.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,111.80 : 1,224,282.90 = 255,087.80 : x
  2. Step 2: Convert to fraction form
    816,111.80/1,224,282.90 = 255,087.80/x
  3. Step 3: Cross multiply
    816,111.80x = 1,224,282.90 × 255,087.80
  4. Step 4: Simplify right side
    816,111.80x = 312,299,631,538.62
  5. Step 5: Solve for x
    x = 312,299,631,538.62/816,111.80
  6. Step 6: Final answer
    x = 382,667.71

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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.