Home / 758,757.05-1,138,696.90-359,399.91

Finding the Fourth Proportional to 758,757.05, 1,138,696.90 and 359,399.91

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Solution

The fourth proportional to 758,757.05, 1,138,696.90 and 359,399.91 is: 539,365.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,757.05 : 1,138,696.90 = 359,399.91 : x
  2. Step 2: Convert to fraction form
    758,757.05/1,138,696.90 = 359,399.91/x
  3. Step 3: Cross multiply
    758,757.05x = 1,138,696.90 × 359,399.91
  4. Step 4: Simplify right side
    758,757.05x = 409,247,563,377.28
  5. Step 5: Solve for x
    x = 409,247,563,377.28/758,757.05
  6. Step 6: Final answer
    x = 539,365.75

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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.