Home / 965,801.28-1,448,920.62-516,285.30

Finding the Fourth Proportional to 965,801.28, 1,448,920.62 and 516,285.30

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Solution

The fourth proportional to 965,801.28, 1,448,920.62 and 516,285.30 is: 774,544.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,801.28 : 1,448,920.62 = 516,285.30 : x
  2. Step 2: Convert to fraction form
    965,801.28/1,448,920.62 = 516,285.30/x
  3. Step 3: Cross multiply
    965,801.28x = 1,448,920.62 × 516,285.30
  4. Step 4: Simplify right side
    965,801.28x = 748,056,416,972.89
  5. Step 5: Solve for x
    x = 748,056,416,972.89/965,801.28
  6. Step 6: Final answer
    x = 774,544.86

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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.