Home / 780,983.82-1,171,870.07-354,247.70

Finding the Fourth Proportional to 780,983.82, 1,171,870.07 and 354,247.70

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Solution

The fourth proportional to 780,983.82, 1,171,870.07 and 354,247.70 is: 531,550.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,983.82 : 1,171,870.07 = 354,247.70 : x
  2. Step 2: Convert to fraction form
    780,983.82/1,171,870.07 = 354,247.70/x
  3. Step 3: Cross multiply
    780,983.82x = 1,171,870.07 × 354,247.70
  4. Step 4: Simplify right side
    780,983.82x = 415,132,269,365.75
  5. Step 5: Solve for x
    x = 415,132,269,365.75/780,983.82
  6. Step 6: Final answer
    x = 531,550.41

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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.