Home / 892,298.46-1,338,447.68-261,212.26

Finding the Fourth Proportional to 892,298.46, 1,338,447.68 and 261,212.26

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Solution

The fourth proportional to 892,298.46, 1,338,447.68 and 261,212.26 is: 391,818.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,298.46 : 1,338,447.68 = 261,212.26 : x
  2. Step 2: Convert to fraction form
    892,298.46/1,338,447.68 = 261,212.26/x
  3. Step 3: Cross multiply
    892,298.46x = 1,338,447.68 × 261,212.26
  4. Step 4: Simplify right side
    892,298.46x = 349,618,943,384.56
  5. Step 5: Solve for x
    x = 349,618,943,384.56/892,298.46
  6. Step 6: Final answer
    x = 391,818.39

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Double scale
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Similar ratio
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1.5x scale

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.