Home / 767,864.85-1,150,135.07-500,815.23

Finding the Fourth Proportional to 767,864.85, 1,150,135.07 and 500,815.23

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Solution

The fourth proportional to 767,864.85, 1,150,135.07 and 500,815.23 is: 750,138.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,864.85 : 1,150,135.07 = 500,815.23 : x
  2. Step 2: Convert to fraction form
    767,864.85/1,150,135.07 = 500,815.23/x
  3. Step 3: Cross multiply
    767,864.85x = 1,150,135.07 × 500,815.23
  4. Step 4: Simplify right side
    767,864.85x = 576,005,157,109.04
  5. Step 5: Solve for x
    x = 576,005,157,109.04/767,864.85
  6. Step 6: Final answer
    x = 750,138.72

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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.