Home / 1,045.09-1,442.22-579.34

Finding the Fourth Proportional to 1,045.09, 1,442.22 and 579.34

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Solution

The fourth proportional to 1,045.09, 1,442.22 and 579.34 is: 799.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045.09 : 1,442.22 = 579.34 : x
  2. Step 2: Convert to fraction form
    1,045.09/1,442.22 = 579.34/x
  3. Step 3: Cross multiply
    1,045.09x = 1,442.22 × 579.34
  4. Step 4: Simplify right side
    1,045.09x = 835,528.52
  5. Step 5: Solve for x
    x = 835,528.52/1,045.09
  6. Step 6: Final answer
    x = 799.48

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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.