Home / 1,484.55-2,226.80-444.54

Finding the Fourth Proportional to 1,484.55, 2,226.80 and 444.54

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Solution

The fourth proportional to 1,484.55, 2,226.80 and 444.54 is: 666.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,484.55 : 2,226.80 = 444.54 : x
  2. Step 2: Convert to fraction form
    1,484.55/2,226.80 = 444.54/x
  3. Step 3: Cross multiply
    1,484.55x = 2,226.80 × 444.54
  4. Step 4: Simplify right side
    1,484.55x = 989,911.13
  5. Step 5: Solve for x
    x = 989,911.13/1,484.55
  6. Step 6: Final answer
    x = 666.81

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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.