Home / 767,865.85-1,150,136.56-500,816.23

Finding the Fourth Proportional to 767,865.85, 1,150,136.56 and 500,816.23

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Solution

The fourth proportional to 767,865.85, 1,150,136.56 and 500,816.23 is: 750,140.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,865.85 : 1,150,136.56 = 500,816.23 : x
  2. Step 2: Convert to fraction form
    767,865.85/1,150,136.56 = 500,816.23/x
  3. Step 3: Cross multiply
    767,865.85x = 1,150,136.56 × 500,816.23
  4. Step 4: Simplify right side
    767,865.85x = 576,007,055,964.37
  5. Step 5: Solve for x
    x = 576,007,055,964.37/767,865.85
  6. Step 6: Final answer
    x = 750,140.22

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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.