Home / 965,190.80-1,332,078.28-557,392.08

Finding the Fourth Proportional to 965,190.80, 1,332,078.28 and 557,392.08

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Solution

The fourth proportional to 965,190.80, 1,332,078.28 and 557,392.08 is: 769,267.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,190.80 : 1,332,078.28 = 557,392.08 : x
  2. Step 2: Convert to fraction form
    965,190.80/1,332,078.28 = 557,392.08/x
  3. Step 3: Cross multiply
    965,190.80x = 1,332,078.28 × 557,392.08
  4. Step 4: Simplify right side
    965,190.80x = 742,489,883,212.02
  5. Step 5: Solve for x
    x = 742,489,883,212.02/965,190.80
  6. Step 6: Final answer
    x = 769,267.47

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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.