Home / 774,787.88-1,161,516.12-269,283.18

Finding the Fourth Proportional to 774,787.88, 1,161,516.12 and 269,283.18

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Solution

The fourth proportional to 774,787.88, 1,161,516.12 and 269,283.18 is: 403,693.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,787.88 : 1,161,516.12 = 269,283.18 : x
  2. Step 2: Convert to fraction form
    774,787.88/1,161,516.12 = 269,283.18/x
  3. Step 3: Cross multiply
    774,787.88x = 1,161,516.12 × 269,283.18
  4. Step 4: Simplify right side
    774,787.88x = 312,776,754,414.86
  5. Step 5: Solve for x
    x = 312,776,754,414.86/774,787.88
  6. Step 6: Final answer
    x = 403,693.40

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1.5x scale

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.