Home / 768,928.24-1,153,388.17-313,517.69

Finding the Fourth Proportional to 768,928.24, 1,153,388.17 and 313,517.69

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Solution

The fourth proportional to 768,928.24, 1,153,388.17 and 313,517.69 is: 470,274.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,928.24 : 1,153,388.17 = 313,517.69 : x
  2. Step 2: Convert to fraction form
    768,928.24/1,153,388.17 = 313,517.69/x
  3. Step 3: Cross multiply
    768,928.24x = 1,153,388.17 × 313,517.69
  4. Step 4: Simplify right side
    768,928.24x = 361,607,591,722.40
  5. Step 5: Solve for x
    x = 361,607,591,722.40/768,928.24
  6. Step 6: Final answer
    x = 470,274.82

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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.