Home / 940,111.92-1,409,868.84-308,879.28

Finding the Fourth Proportional to 940,111.92, 1,409,868.84 and 308,879.28

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Solution

The fourth proportional to 940,111.92, 1,409,868.84 and 308,879.28 is: 463,220.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,111.92 : 1,409,868.84 = 308,879.28 : x
  2. Step 2: Convert to fraction form
    940,111.92/1,409,868.84 = 308,879.28/x
  3. Step 3: Cross multiply
    940,111.92x = 1,409,868.84 × 308,879.28
  4. Step 4: Simplify right side
    940,111.92x = 435,479,272,193.64
  5. Step 5: Solve for x
    x = 435,479,272,193.64/940,111.92
  6. Step 6: Final answer
    x = 463,220.67

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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.