Home / 965,912.20-1,449,386.70-405,003.40

Finding the Fourth Proportional to 965,912.20, 1,449,386.70 and 405,003.40

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Solution

The fourth proportional to 965,912.20, 1,449,386.70 and 405,003.40 is: 607,722.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,912.20 : 1,449,386.70 = 405,003.40 : x
  2. Step 2: Convert to fraction form
    965,912.20/1,449,386.70 = 405,003.40/x
  3. Step 3: Cross multiply
    965,912.20x = 1,449,386.70 × 405,003.40
  4. Step 4: Simplify right side
    965,912.20x = 587,006,541,414.78
  5. Step 5: Solve for x
    x = 587,006,541,414.78/965,912.20
  6. Step 6: Final answer
    x = 607,722.46

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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.