Home / 900,975.40-1,351,290.30-269,909.80

Finding the Fourth Proportional to 900,975.40, 1,351,290.30 and 269,909.80

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Solution

The fourth proportional to 900,975.40, 1,351,290.30 and 269,909.80 is: 404,812.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,975.40 : 1,351,290.30 = 269,909.80 : x
  2. Step 2: Convert to fraction form
    900,975.40/1,351,290.30 = 269,909.80/x
  3. Step 3: Cross multiply
    900,975.40x = 1,351,290.30 × 269,909.80
  4. Step 4: Simplify right side
    900,975.40x = 364,726,494,614.94
  5. Step 5: Solve for x
    x = 364,726,494,614.94/900,975.40
  6. Step 6: Final answer
    x = 404,812.93

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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.