Home / 887,125.27-1,330,687.92-279,975.11

Finding the Fourth Proportional to 887,125.27, 1,330,687.92 and 279,975.11

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Solution

The fourth proportional to 887,125.27, 1,330,687.92 and 279,975.11 is: 419,962.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,125.27 : 1,330,687.92 = 279,975.11 : x
  2. Step 2: Convert to fraction form
    887,125.27/1,330,687.92 = 279,975.11/x
  3. Step 3: Cross multiply
    887,125.27x = 1,330,687.92 × 279,975.11
  4. Step 4: Simplify right side
    887,125.27x = 372,559,496,164.22
  5. Step 5: Solve for x
    x = 372,559,496,164.22/887,125.27
  6. Step 6: Final answer
    x = 419,962.67

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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.