Home / 965,699.28-1,332,829.94-557,727.80

Finding the Fourth Proportional to 965,699.28, 1,332,829.94 and 557,727.80

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Solution

The fourth proportional to 965,699.28, 1,332,829.94 and 557,727.80 is: 769,759.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,699.28 : 1,332,829.94 = 557,727.80 : x
  2. Step 2: Convert to fraction form
    965,699.28/1,332,829.94 = 557,727.80/x
  3. Step 3: Cross multiply
    965,699.28x = 1,332,829.94 × 557,727.80
  4. Step 4: Simplify right side
    965,699.28x = 743,356,300,757.54
  5. Step 5: Solve for x
    x = 743,356,300,757.54/965,699.28
  6. Step 6: Final answer
    x = 769,759.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.