Home / 868,999.40-1,303,596.30-269,955.80

Finding the Fourth Proportional to 868,999.40, 1,303,596.30 and 269,955.80

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Solution

The fourth proportional to 868,999.40, 1,303,596.30 and 269,955.80 is: 404,963.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,999.40 : 1,303,596.30 = 269,955.80 : x
  2. Step 2: Convert to fraction form
    868,999.40/1,303,596.30 = 269,955.80/x
  3. Step 3: Cross multiply
    868,999.40x = 1,303,596.30 × 269,955.80
  4. Step 4: Simplify right side
    868,999.40x = 351,913,382,043.54
  5. Step 5: Solve for x
    x = 351,913,382,043.54/868,999.40
  6. Step 6: Final answer
    x = 404,963.90

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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.