Home / 756,783.66-1,135,179.56-195,818.16

Finding the Fourth Proportional to 756,783.66, 1,135,179.56 and 195,818.16

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Solution

The fourth proportional to 756,783.66, 1,135,179.56 and 195,818.16 is: 293,728.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,783.66 : 1,135,179.56 = 195,818.16 : x
  2. Step 2: Convert to fraction form
    756,783.66/1,135,179.56 = 195,818.16/x
  3. Step 3: Cross multiply
    756,783.66x = 1,135,179.56 × 195,818.16
  4. Step 4: Simplify right side
    756,783.66x = 222,288,771,069.89
  5. Step 5: Solve for x
    x = 222,288,771,069.89/756,783.66
  6. Step 6: Final answer
    x = 293,728.29

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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.