Home / 1,039.43-1,434.39-591.35

Finding the Fourth Proportional to 1,039.43, 1,434.39 and 591.35

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Solution

The fourth proportional to 1,039.43, 1,434.39 and 591.35 is: 816.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039.43 : 1,434.39 = 591.35 : x
  2. Step 2: Convert to fraction form
    1,039.43/1,434.39 = 591.35/x
  3. Step 3: Cross multiply
    1,039.43x = 1,434.39 × 591.35
  4. Step 4: Simplify right side
    1,039.43x = 848,221.57
  5. Step 5: Solve for x
    x = 848,221.57/1,039.43
  6. Step 6: Final answer
    x = 816.05

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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.