Home / 965,995.20-1,449,511.20-405,086.40

Finding the Fourth Proportional to 965,995.20, 1,449,511.20 and 405,086.40

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Solution

The fourth proportional to 965,995.20, 1,449,511.20 and 405,086.40 is: 607,846.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,995.20 : 1,449,511.20 = 405,086.40 : x
  2. Step 2: Convert to fraction form
    965,995.20/1,449,511.20 = 405,086.40/x
  3. Step 3: Cross multiply
    965,995.20x = 1,449,511.20 × 405,086.40
  4. Step 4: Simplify right side
    965,995.20x = 587,177,273,767.68
  5. Step 5: Solve for x
    x = 587,177,273,767.68/965,995.20
  6. Step 6: Final answer
    x = 607,846.99

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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.