Home / 774,785.88-1,161,513.12-269,281.17

Finding the Fourth Proportional to 774,785.88, 1,161,513.12 and 269,281.17

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Solution

The fourth proportional to 774,785.88, 1,161,513.12 and 269,281.17 is: 403,690.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,785.88 : 1,161,513.12 = 269,281.17 : x
  2. Step 2: Convert to fraction form
    774,785.88/1,161,513.12 = 269,281.17/x
  3. Step 3: Cross multiply
    774,785.88x = 1,161,513.12 × 269,281.17
  4. Step 4: Simplify right side
    774,785.88x = 312,773,611,923.95
  5. Step 5: Solve for x
    x = 312,773,611,923.95/774,785.88
  6. Step 6: Final answer
    x = 403,690.39

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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.