Home / 1,058.19-1,460.30-579.64

Finding the Fourth Proportional to 1,058.19, 1,460.30 and 579.64

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Solution

The fourth proportional to 1,058.19, 1,460.30 and 579.64 is: 799.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058.19 : 1,460.30 = 579.64 : x
  2. Step 2: Convert to fraction form
    1,058.19/1,460.30 = 579.64/x
  3. Step 3: Cross multiply
    1,058.19x = 1,460.30 × 579.64
  4. Step 4: Simplify right side
    1,058.19x = 846,448.29
  5. Step 5: Solve for x
    x = 846,448.29/1,058.19
  6. Step 6: Final answer
    x = 799.90

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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.