Home / 1,322.19-1,982.73-500.01

Finding the Fourth Proportional to 1,322.19, 1,982.73 and 500.01

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Solution

The fourth proportional to 1,322.19, 1,982.73 and 500.01 is: 749.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322.19 : 1,982.73 = 500.01 : x
  2. Step 2: Convert to fraction form
    1,322.19/1,982.73 = 500.01/x
  3. Step 3: Cross multiply
    1,322.19x = 1,982.73 × 500.01
  4. Step 4: Simplify right side
    1,322.19x = 991,384.83
  5. Step 5: Solve for x
    x = 991,384.83/1,322.19
  6. Step 6: Final answer
    x = 749.81

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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.