Home / 774,780.62-1,161,505.24-269,275.91

Finding the Fourth Proportional to 774,780.62, 1,161,505.24 and 269,275.91

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Solution

The fourth proportional to 774,780.62, 1,161,505.24 and 269,275.91 is: 403,682.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,780.62 : 1,161,505.24 = 269,275.91 : x
  2. Step 2: Convert to fraction form
    774,780.62/1,161,505.24 = 269,275.91/x
  3. Step 3: Cross multiply
    774,780.62x = 1,161,505.24 × 269,275.91
  4. Step 4: Simplify right side
    774,780.62x = 312,765,373,990.05
  5. Step 5: Solve for x
    x = 312,765,373,990.05/774,780.62
  6. Step 6: Final answer
    x = 403,682.50

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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.