Home / 1,322.73-1,984.37-500.85

Finding the Fourth Proportional to 1,322.73, 1,984.37 and 500.85

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Solution

The fourth proportional to 1,322.73, 1,984.37 and 500.85 is: 751.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322.73 : 1,984.37 = 500.85 : x
  2. Step 2: Convert to fraction form
    1,322.73/1,984.37 = 500.85/x
  3. Step 3: Cross multiply
    1,322.73x = 1,984.37 × 500.85
  4. Step 4: Simplify right side
    1,322.73x = 993,869.21
  5. Step 5: Solve for x
    x = 993,869.21/1,322.73
  6. Step 6: Final answer
    x = 751.38

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1.5x scale

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.