Home / 1,301.24-1,795.72-711.77

Finding the Fourth Proportional to 1,301.24, 1,795.72 and 711.77

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Solution

The fourth proportional to 1,301.24, 1,795.72 and 711.77 is: 982.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301.24 : 1,795.72 = 711.77 : x
  2. Step 2: Convert to fraction form
    1,301.24/1,795.72 = 711.77/x
  3. Step 3: Cross multiply
    1,301.24x = 1,795.72 × 711.77
  4. Step 4: Simplify right side
    1,301.24x = 1,278,140.55
  5. Step 5: Solve for x
    x = 1,278,140.55/1,301.24
  6. Step 6: Final answer
    x = 982.25

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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.