Home / 500,423.24-690,600.66-274,081.16

Finding the Fourth Proportional to 500,423.24, 690,600.66 and 274,081.16

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Solution

The fourth proportional to 500,423.24, 690,600.66 and 274,081.16 is: 378,241.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,423.24 : 690,600.66 = 274,081.16 : x
  2. Step 2: Convert to fraction form
    500,423.24/690,600.66 = 274,081.16/x
  3. Step 3: Cross multiply
    500,423.24x = 690,600.66 × 274,081.16
  4. Step 4: Simplify right side
    500,423.24x = 189,280,629,989.57
  5. Step 5: Solve for x
    x = 189,280,629,989.57/500,423.24
  6. Step 6: Final answer
    x = 378,241.09

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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.