Home / 1,010.19-1,394.08-617.43

Finding the Fourth Proportional to 1,010.19, 1,394.08 and 617.43

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Solution

The fourth proportional to 1,010.19, 1,394.08 and 617.43 is: 852.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010.19 : 1,394.08 = 617.43 : x
  2. Step 2: Convert to fraction form
    1,010.19/1,394.08 = 617.43/x
  3. Step 3: Cross multiply
    1,010.19x = 1,394.08 × 617.43
  4. Step 4: Simplify right side
    1,010.19x = 860,744.10
  5. Step 5: Solve for x
    x = 860,744.10/1,010.19
  6. Step 6: Final answer
    x = 852.06

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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.