Home / 809,524.88-1,214,173.24-509,089.68

Finding the Fourth Proportional to 809,524.88, 1,214,173.24 and 509,089.68

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Solution

The fourth proportional to 809,524.88, 1,214,173.24 and 509,089.68 is: 763,562.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,524.88 : 1,214,173.24 = 509,089.68 : x
  2. Step 2: Convert to fraction form
    809,524.88/1,214,173.24 = 509,089.68/x
  3. Step 3: Cross multiply
    809,524.88x = 1,214,173.24 × 509,089.68
  4. Step 4: Simplify right side
    809,524.88x = 618,123,066,216.16
  5. Step 5: Solve for x
    x = 618,123,066,216.16/809,524.88
  6. Step 6: Final answer
    x = 763,562.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.