Home / 892,298.84-1,338,251.42-261,261.86

Finding the Fourth Proportional to 892,298.84, 1,338,251.42 and 261,261.86

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Solution

The fourth proportional to 892,298.84, 1,338,251.42 and 261,261.86 is: 391,835.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,298.84 : 1,338,251.42 = 261,261.86 : x
  2. Step 2: Convert to fraction form
    892,298.84/1,338,251.42 = 261,261.86/x
  3. Step 3: Cross multiply
    892,298.84x = 1,338,251.42 × 261,261.86
  4. Step 4: Simplify right side
    892,298.84x = 349,634,049,098.74
  5. Step 5: Solve for x
    x = 349,634,049,098.74/892,298.84
  6. Step 6: Final answer
    x = 391,835.15

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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.