Home / 1,444.31-2,165.22-578.06

Finding the Fourth Proportional to 1,444.31, 2,165.22 and 578.06

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Solution

The fourth proportional to 1,444.31, 2,165.22 and 578.06 is: 866.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,444.31 : 2,165.22 = 578.06 : x
  2. Step 2: Convert to fraction form
    1,444.31/2,165.22 = 578.06/x
  3. Step 3: Cross multiply
    1,444.31x = 2,165.22 × 578.06
  4. Step 4: Simplify right side
    1,444.31x = 1,251,627.07
  5. Step 5: Solve for x
    x = 1,251,627.07/1,444.31
  6. Step 6: Final answer
    x = 866.59

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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.