Home / 868,987.45-1,303,564.97-269,787.72

Finding the Fourth Proportional to 868,987.45, 1,303,564.97 and 269,787.72

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Solution

The fourth proportional to 868,987.45, 1,303,564.97 and 269,787.72 is: 404,707.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,987.45 : 1,303,564.97 = 269,787.72 : x
  2. Step 2: Convert to fraction form
    868,987.45/1,303,564.97 = 269,787.72/x
  3. Step 3: Cross multiply
    868,987.45x = 1,303,564.97 × 269,787.72
  4. Step 4: Simplify right side
    868,987.45x = 351,685,822,265.95
  5. Step 5: Solve for x
    x = 351,685,822,265.95/868,987.45
  6. Step 6: Final answer
    x = 404,707.60

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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.