Home / 1,284.25-1,927.13-504.22

Finding the Fourth Proportional to 1,284.25, 1,927.13 and 504.22

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Solution

The fourth proportional to 1,284.25, 1,927.13 and 504.22 is: 756.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284.25 : 1,927.13 = 504.22 : x
  2. Step 2: Convert to fraction form
    1,284.25/1,927.13 = 504.22/x
  3. Step 3: Cross multiply
    1,284.25x = 1,927.13 × 504.22
  4. Step 4: Simplify right side
    1,284.25x = 971,697.49
  5. Step 5: Solve for x
    x = 971,697.49/1,284.25
  6. Step 6: Final answer
    x = 756.63

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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.