Home / 773,642.88-1,159,920-299,928.96

Finding the Fourth Proportional to 773,642.88, 1,159,920 and 299,928.96

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Solution

The fourth proportional to 773,642.88, 1,159,920 and 299,928.96 is: 449,682.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,642.88 : 1,159,920 = 299,928.96 : x
  2. Step 2: Convert to fraction form
    773,642.88/1,159,920 = 299,928.96/x
  3. Step 3: Cross multiply
    773,642.88x = 1,159,920 × 299,928.96
  4. Step 4: Simplify right side
    773,642.88x = 347,893,599,283.20
  5. Step 5: Solve for x
    x = 347,893,599,283.20/773,642.88
  6. Step 6: Final answer
    x = 449,682.42

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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.