Home / 868,787.84-1,303,385.88-269,718.32

Finding the Fourth Proportional to 868,787.84, 1,303,385.88 and 269,718.32

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Solution

The fourth proportional to 868,787.84, 1,303,385.88 and 269,718.32 is: 404,640.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,787.84 : 1,303,385.88 = 269,718.32 : x
  2. Step 2: Convert to fraction form
    868,787.84/1,303,385.88 = 269,718.32/x
  3. Step 3: Cross multiply
    868,787.84x = 1,303,385.88 × 269,718.32
  4. Step 4: Simplify right side
    868,787.84x = 351,547,049,865.32
  5. Step 5: Solve for x
    x = 351,547,049,865.32/868,787.84
  6. Step 6: Final answer
    x = 404,640.85

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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.