Home / 844,191.52-1,266,303.48-311,438.32

Finding the Fourth Proportional to 844,191.52, 1,266,303.48 and 311,438.32

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Solution

The fourth proportional to 844,191.52, 1,266,303.48 and 311,438.32 is: 467,163.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,191.52 : 1,266,303.48 = 311,438.32 : x
  2. Step 2: Convert to fraction form
    844,191.52/1,266,303.48 = 311,438.32/x
  3. Step 3: Cross multiply
    844,191.52x = 1,266,303.48 × 311,438.32
  4. Step 4: Simplify right side
    844,191.52x = 394,375,428,421.35
  5. Step 5: Solve for x
    x = 394,375,428,421.35/844,191.52
  6. Step 6: Final answer
    x = 467,163.46

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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.