Home / 516,923.24-713,249.33-302,021.78

Finding the Fourth Proportional to 516,923.24, 713,249.33 and 302,021.78

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Solution

The fourth proportional to 516,923.24, 713,249.33 and 302,021.78 is: 416,728.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,923.24 : 713,249.33 = 302,021.78 : x
  2. Step 2: Convert to fraction form
    516,923.24/713,249.33 = 302,021.78/x
  3. Step 3: Cross multiply
    516,923.24x = 713,249.33 × 302,021.78
  4. Step 4: Simplify right side
    516,923.24x = 215,416,827,154.05
  5. Step 5: Solve for x
    x = 215,416,827,154.05/516,923.24
  6. Step 6: Final answer
    x = 416,728.85

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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.