Home / 691,339.68-1,037,031.92-218,029.60

Finding the Fourth Proportional to 691,339.68, 1,037,031.92 and 218,029.60

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Solution

The fourth proportional to 691,339.68, 1,037,031.92 and 218,029.60 is: 327,051.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,339.68 : 1,037,031.92 = 218,029.60 : x
  2. Step 2: Convert to fraction form
    691,339.68/1,037,031.92 = 218,029.60/x
  3. Step 3: Cross multiply
    691,339.68x = 1,037,031.92 × 218,029.60
  4. Step 4: Simplify right side
    691,339.68x = 226,103,654,704.83
  5. Step 5: Solve for x
    x = 226,103,654,704.83/691,339.68
  6. Step 6: Final answer
    x = 327,051.46

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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.