Home / 444,835.18-667,918.59-385,049.08

Finding the Fourth Proportional to 444,835.18, 667,918.59 and 385,049.08

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Solution

The fourth proportional to 444,835.18, 667,918.59 and 385,049.08 is: 578,149.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,835.18 : 667,918.59 = 385,049.08 : x
  2. Step 2: Convert to fraction form
    444,835.18/667,918.59 = 385,049.08/x
  3. Step 3: Cross multiply
    444,835.18x = 667,918.59 × 385,049.08
  4. Step 4: Simplify right side
    444,835.18x = 257,181,438,594.40
  5. Step 5: Solve for x
    x = 257,181,438,594.40/444,835.18
  6. Step 6: Final answer
    x = 578,149.95

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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.