Home / 773,057.32-1,159,566.91-299,742.80

Finding the Fourth Proportional to 773,057.32, 1,159,566.91 and 299,742.80

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Solution

The fourth proportional to 773,057.32, 1,159,566.91 and 299,742.80 is: 449,606.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,057.32 : 1,159,566.91 = 299,742.80 : x
  2. Step 2: Convert to fraction form
    773,057.32/1,159,566.91 = 299,742.80/x
  3. Step 3: Cross multiply
    773,057.32x = 1,159,566.91 × 299,742.80
  4. Step 4: Simplify right side
    773,057.32x = 347,571,825,843.56
  5. Step 5: Solve for x
    x = 347,571,825,843.56/773,057.32
  6. Step 6: Final answer
    x = 449,606.80

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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.