Home / 892,325.34-1,338,487.98-261,239.16

Finding the Fourth Proportional to 892,325.34, 1,338,487.98 and 261,239.16

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Solution

The fourth proportional to 892,325.34, 1,338,487.98 and 261,239.16 is: 391,858.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,325.34 : 1,338,487.98 = 261,239.16 : x
  2. Step 2: Convert to fraction form
    892,325.34/1,338,487.98 = 261,239.16/x
  3. Step 3: Cross multiply
    892,325.34x = 1,338,487.98 × 261,239.16
  4. Step 4: Simplify right side
    892,325.34x = 349,665,475,565.30
  5. Step 5: Solve for x
    x = 349,665,475,565.30/892,325.34
  6. Step 6: Final answer
    x = 391,858.73

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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.