Home / 1,324.93-1,984.26-707.11

Finding the Fourth Proportional to 1,324.93, 1,984.26 and 707.11

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Solution

The fourth proportional to 1,324.93, 1,984.26 and 707.11 is: 1,058.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324.93 : 1,984.26 = 707.11 : x
  2. Step 2: Convert to fraction form
    1,324.93/1,984.26 = 707.11/x
  3. Step 3: Cross multiply
    1,324.93x = 1,984.26 × 707.11
  4. Step 4: Simplify right side
    1,324.93x = 1,403,090.09
  5. Step 5: Solve for x
    x = 1,403,090.09/1,324.93
  6. Step 6: Final answer
    x = 1,058.99

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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.