Home / 774,780.60-1,161,505.23-269,275.92

Finding the Fourth Proportional to 774,780.60, 1,161,505.23 and 269,275.92

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Solution

The fourth proportional to 774,780.60, 1,161,505.23 and 269,275.92 is: 403,682.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,780.60 : 1,161,505.23 = 269,275.92 : x
  2. Step 2: Convert to fraction form
    774,780.60/1,161,505.23 = 269,275.92/x
  3. Step 3: Cross multiply
    774,780.60x = 1,161,505.23 × 269,275.92
  4. Step 4: Simplify right side
    774,780.60x = 312,765,389,393.06
  5. Step 5: Solve for x
    x = 312,765,389,393.06/774,780.60
  6. Step 6: Final answer
    x = 403,682.53

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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.