Home / 778,754.64-1,168,141.24-305,662.80

Finding the Fourth Proportional to 778,754.64, 1,168,141.24 and 305,662.80

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Solution

The fourth proportional to 778,754.64, 1,168,141.24 and 305,662.80 is: 458,497.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,754.64 : 1,168,141.24 = 305,662.80 : x
  2. Step 2: Convert to fraction form
    778,754.64/1,168,141.24 = 305,662.80/x
  3. Step 3: Cross multiply
    778,754.64x = 1,168,141.24 × 305,662.80
  4. Step 4: Simplify right side
    778,754.64x = 357,057,322,213.87
  5. Step 5: Solve for x
    x = 357,057,322,213.87/778,754.64
  6. Step 6: Final answer
    x = 458,497.84

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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.