Home / 1,478.14-2,217.48-504.19

Finding the Fourth Proportional to 1,478.14, 2,217.48 and 504.19

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Solution

The fourth proportional to 1,478.14, 2,217.48 and 504.19 is: 756.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478.14 : 2,217.48 = 504.19 : x
  2. Step 2: Convert to fraction form
    1,478.14/2,217.48 = 504.19/x
  3. Step 3: Cross multiply
    1,478.14x = 2,217.48 × 504.19
  4. Step 4: Simplify right side
    1,478.14x = 1,118,031.24
  5. Step 5: Solve for x
    x = 1,118,031.24/1,478.14
  6. Step 6: Final answer
    x = 756.38

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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.