Home / 750.24-1,124.30-338.36

Finding the Fourth Proportional to 750.24, 1,124.30 and 338.36

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Solution

The fourth proportional to 750.24, 1,124.30 and 338.36 is: 507.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    750.24 : 1,124.30 = 338.36 : x
  2. Step 2: Convert to fraction form
    750.24/1,124.30 = 338.36/x
  3. Step 3: Cross multiply
    750.24x = 1,124.30 × 338.36
  4. Step 4: Simplify right side
    750.24x = 380,410.83
  5. Step 5: Solve for x
    x = 380,410.83/750.24
  6. Step 6: Final answer
    x = 507.05

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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.