Home / 892,350.12-1,338,427.26-261,270.12

Finding the Fourth Proportional to 892,350.12, 1,338,427.26 and 261,270.12

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Solution

The fourth proportional to 892,350.12, 1,338,427.26 and 261,270.12 is: 391,876.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,350.12 : 1,338,427.26 = 261,270.12 : x
  2. Step 2: Convert to fraction form
    892,350.12/1,338,427.26 = 261,270.12/x
  3. Step 3: Cross multiply
    892,350.12x = 1,338,427.26 × 261,270.12
  4. Step 4: Simplify right side
    892,350.12x = 349,691,050,831.47
  5. Step 5: Solve for x
    x = 349,691,050,831.47/892,350.12
  6. Step 6: Final answer
    x = 391,876.51

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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.