Home / 500,429.24-690,608.94-274,087.16

Finding the Fourth Proportional to 500,429.24, 690,608.94 and 274,087.16

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Solution

The fourth proportional to 500,429.24, 690,608.94 and 274,087.16 is: 378,249.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,429.24 : 690,608.94 = 274,087.16 : x
  2. Step 2: Convert to fraction form
    500,429.24/690,608.94 = 274,087.16/x
  3. Step 3: Cross multiply
    500,429.24x = 690,608.94 × 274,087.16
  4. Step 4: Simplify right side
    500,429.24x = 189,287,043,035.21
  5. Step 5: Solve for x
    x = 189,287,043,035.21/500,429.24
  6. Step 6: Final answer
    x = 378,249.37

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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.