Home / 500,249.60-690,344.40-273,895.04

Finding the Fourth Proportional to 500,249.60, 690,344.40 and 273,895.04

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Solution

The fourth proportional to 500,249.60, 690,344.40 and 273,895.04 is: 377,975.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,249.60 : 690,344.40 = 273,895.04 : x
  2. Step 2: Convert to fraction form
    500,249.60/690,344.40 = 273,895.04/x
  3. Step 3: Cross multiply
    500,249.60x = 690,344.40 × 273,895.04
  4. Step 4: Simplify right side
    500,249.60x = 189,081,907,051.78
  5. Step 5: Solve for x
    x = 189,081,907,051.78/500,249.60
  6. Step 6: Final answer
    x = 377,975.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.