Home / 832,469.72-1,248,198.90-326,424.44

Finding the Fourth Proportional to 832,469.72, 1,248,198.90 and 326,424.44

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Solution

The fourth proportional to 832,469.72, 1,248,198.90 and 326,424.44 is: 489,438.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,469.72 : 1,248,198.90 = 326,424.44 : x
  2. Step 2: Convert to fraction form
    832,469.72/1,248,198.90 = 326,424.44/x
  3. Step 3: Cross multiply
    832,469.72x = 1,248,198.90 × 326,424.44
  4. Step 4: Simplify right side
    832,469.72x = 407,442,620,700.12
  5. Step 5: Solve for x
    x = 407,442,620,700.12/832,469.72
  6. Step 6: Final answer
    x = 489,438.37

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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.