Home / 940,119.20-1,409,660.40-378,519.20

Finding the Fourth Proportional to 940,119.20, 1,409,660.40 and 378,519.20

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Solution

The fourth proportional to 940,119.20, 1,409,660.40 and 378,519.20 is: 567,570.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,119.20 : 1,409,660.40 = 378,519.20 : x
  2. Step 2: Convert to fraction form
    940,119.20/1,409,660.40 = 378,519.20/x
  3. Step 3: Cross multiply
    940,119.20x = 1,409,660.40 × 378,519.20
  4. Step 4: Simplify right side
    940,119.20x = 533,583,526,879.68
  5. Step 5: Solve for x
    x = 533,583,526,879.68/940,119.20
  6. Step 6: Final answer
    x = 567,570.08

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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.