Home / 443,795.88-612,438.39-239,846.13

Finding the Fourth Proportional to 443,795.88, 612,438.39 and 239,846.13

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Solution

The fourth proportional to 443,795.88, 612,438.39 and 239,846.13 is: 330,987.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,795.88 : 612,438.39 = 239,846.13 : x
  2. Step 2: Convert to fraction form
    443,795.88/612,438.39 = 239,846.13/x
  3. Step 3: Cross multiply
    443,795.88x = 612,438.39 × 239,846.13
  4. Step 4: Simplify right side
    443,795.88x = 146,890,977,704.93
  5. Step 5: Solve for x
    x = 146,890,977,704.93/443,795.88
  6. Step 6: Final answer
    x = 330,987.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.