Home / 766,276.31-1,149,509.88-260,798.44

Finding the Fourth Proportional to 766,276.31, 1,149,509.88 and 260,798.44

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Solution

The fourth proportional to 766,276.31, 1,149,509.88 and 260,798.44 is: 391,230.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,276.31 : 1,149,509.88 = 260,798.44 : x
  2. Step 2: Convert to fraction form
    766,276.31/1,149,509.88 = 260,798.44/x
  3. Step 3: Cross multiply
    766,276.31x = 1,149,509.88 × 260,798.44
  4. Step 4: Simplify right side
    766,276.31x = 299,790,383,468.59
  5. Step 5: Solve for x
    x = 299,790,383,468.59/766,276.31
  6. Step 6: Final answer
    x = 391,230.14

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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.