Home / 892,312.36-1,338,468.48-261,226.16

Finding the Fourth Proportional to 892,312.36, 1,338,468.48 and 261,226.16

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Solution

The fourth proportional to 892,312.36, 1,338,468.48 and 261,226.16 is: 391,839.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,312.36 : 1,338,468.48 = 261,226.16 : x
  2. Step 2: Convert to fraction form
    892,312.36/1,338,468.48 = 261,226.16/x
  3. Step 3: Cross multiply
    892,312.36x = 1,338,468.48 × 261,226.16
  4. Step 4: Simplify right side
    892,312.36x = 349,642,981,311.44
  5. Step 5: Solve for x
    x = 349,642,981,311.44/892,312.36
  6. Step 6: Final answer
    x = 391,839.22

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Double scale
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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.