Home / 1,045.41-1,442.66-579.66

Finding the Fourth Proportional to 1,045.41, 1,442.66 and 579.66

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Solution

The fourth proportional to 1,045.41, 1,442.66 and 579.66 is: 799.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045.41 : 1,442.66 = 579.66 : x
  2. Step 2: Convert to fraction form
    1,045.41/1,442.66 = 579.66/x
  3. Step 3: Cross multiply
    1,045.41x = 1,442.66 × 579.66
  4. Step 4: Simplify right side
    1,045.41x = 836,247.25
  5. Step 5: Solve for x
    x = 836,247.25/1,045.41
  6. Step 6: Final answer
    x = 799.93

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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.