Home / 756,221.24-1,133,938.20-223,670.41

Finding the Fourth Proportional to 756,221.24, 1,133,938.20 and 223,670.41

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Solution

The fourth proportional to 756,221.24, 1,133,938.20 and 223,670.41 is: 335,389.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,221.24 : 1,133,938.20 = 223,670.41 : x
  2. Step 2: Convert to fraction form
    756,221.24/1,133,938.20 = 223,670.41/x
  3. Step 3: Cross multiply
    756,221.24x = 1,133,938.20 × 223,670.41
  4. Step 4: Simplify right side
    756,221.24x = 253,628,422,108.66
  5. Step 5: Solve for x
    x = 253,628,422,108.66/756,221.24
  6. Step 6: Final answer
    x = 335,389.18

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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.