Home / 500,546.43-690,765.21-285,682.14

Finding the Fourth Proportional to 500,546.43, 690,765.21 and 285,682.14

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Solution

The fourth proportional to 500,546.43, 690,765.21 and 285,682.14 is: 394,247.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,546.43 : 690,765.21 = 285,682.14 : x
  2. Step 2: Convert to fraction form
    500,546.43/690,765.21 = 285,682.14/x
  3. Step 3: Cross multiply
    500,546.43x = 690,765.21 × 285,682.14
  4. Step 4: Simplify right side
    500,546.43x = 197,339,283,430.35
  5. Step 5: Solve for x
    x = 197,339,283,430.35/500,546.43
  6. Step 6: Final answer
    x = 394,247.71

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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.