Home / 779,200.20-1,168,327.24-305,317.80

Finding the Fourth Proportional to 779,200.20, 1,168,327.24 and 305,317.80

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Solution

The fourth proportional to 779,200.20, 1,168,327.24 and 305,317.80 is: 457,791.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,200.20 : 1,168,327.24 = 305,317.80 : x
  2. Step 2: Convert to fraction form
    779,200.20/1,168,327.24 = 305,317.80/x
  3. Step 3: Cross multiply
    779,200.20x = 1,168,327.24 × 305,317.80
  4. Step 4: Simplify right side
    779,200.20x = 356,711,102,596.87
  5. Step 5: Solve for x
    x = 356,711,102,596.87/779,200.20
  6. Step 6: Final answer
    x = 457,791.34

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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.