Home / 900,974.40-1,351,288.80-269,908.80

Finding the Fourth Proportional to 900,974.40, 1,351,288.80 and 269,908.80

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Solution

The fourth proportional to 900,974.40, 1,351,288.80 and 269,908.80 is: 404,811.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,974.40 : 1,351,288.80 = 269,908.80 : x
  2. Step 2: Convert to fraction form
    900,974.40/1,351,288.80 = 269,908.80/x
  3. Step 3: Cross multiply
    900,974.40x = 1,351,288.80 × 269,908.80
  4. Step 4: Simplify right side
    900,974.40x = 364,724,738,461.44
  5. Step 5: Solve for x
    x = 364,724,738,461.44/900,974.40
  6. Step 6: Final answer
    x = 404,811.43

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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.