Home / 773,090.40-1,159,635.60-330,722.40

Finding the Fourth Proportional to 773,090.40, 1,159,635.60 and 330,722.40

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Solution

The fourth proportional to 773,090.40, 1,159,635.60 and 330,722.40 is: 496,083.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,090.40 : 1,159,635.60 = 330,722.40 : x
  2. Step 2: Convert to fraction form
    773,090.40/1,159,635.60 = 330,722.40/x
  3. Step 3: Cross multiply
    773,090.40x = 1,159,635.60 × 330,722.40
  4. Step 4: Simplify right side
    773,090.40x = 383,517,468,757.44
  5. Step 5: Solve for x
    x = 383,517,468,757.44/773,090.40
  6. Step 6: Final answer
    x = 496,083.60

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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.