Home / 892,309.48-1,338,464.18-261,223.29

Finding the Fourth Proportional to 892,309.48, 1,338,464.18 and 261,223.29

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Solution

The fourth proportional to 892,309.48, 1,338,464.18 and 261,223.29 is: 391,834.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,309.48 : 1,338,464.18 = 261,223.29 : x
  2. Step 2: Convert to fraction form
    892,309.48/1,338,464.18 = 261,223.29/x
  3. Step 3: Cross multiply
    892,309.48x = 1,338,464.18 × 261,223.29
  4. Step 4: Simplify right side
    892,309.48x = 349,638,008,648.32
  5. Step 5: Solve for x
    x = 349,638,008,648.32/892,309.48
  6. Step 6: Final answer
    x = 391,834.92

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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.