Home / 940,078.20-1,410,117.30-308,839.80

Finding the Fourth Proportional to 940,078.20, 1,410,117.30 and 308,839.80

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Solution

The fourth proportional to 940,078.20, 1,410,117.30 and 308,839.80 is: 463,259.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,078.20 : 1,410,117.30 = 308,839.80 : x
  2. Step 2: Convert to fraction form
    940,078.20/1,410,117.30 = 308,839.80/x
  3. Step 3: Cross multiply
    940,078.20x = 1,410,117.30 × 308,839.80
  4. Step 4: Simplify right side
    940,078.20x = 435,500,344,908.54
  5. Step 5: Solve for x
    x = 435,500,344,908.54/940,078.20
  6. Step 6: Final answer
    x = 463,259.70

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Similar ratio
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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.