Home / 1,478.30-2,217.83-504.41

Finding the Fourth Proportional to 1,478.30, 2,217.83 and 504.41

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Solution

The fourth proportional to 1,478.30, 2,217.83 and 504.41 is: 756.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478.30 : 2,217.83 = 504.41 : x
  2. Step 2: Convert to fraction form
    1,478.30/2,217.83 = 504.41/x
  3. Step 3: Cross multiply
    1,478.30x = 2,217.83 × 504.41
  4. Step 4: Simplify right side
    1,478.30x = 1,118,682.02
  5. Step 5: Solve for x
    x = 1,118,682.02/1,478.30
  6. Step 6: Final answer
    x = 756.74

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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.