Home / 500,524.08-690,723.51-274,173.36

Finding the Fourth Proportional to 500,524.08, 690,723.51 and 274,173.36

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Solution

The fourth proportional to 500,524.08, 690,723.51 and 274,173.36 is: 378,359.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,524.08 : 690,723.51 = 274,173.36 : x
  2. Step 2: Convert to fraction form
    500,524.08/690,723.51 = 274,173.36/x
  3. Step 3: Cross multiply
    500,524.08x = 690,723.51 × 274,173.36
  4. Step 4: Simplify right side
    500,524.08x = 189,377,985,567.69
  5. Step 5: Solve for x
    x = 189,377,985,567.69/500,524.08
  6. Step 6: Final answer
    x = 378,359.39

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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.