Home / 741,638.13-1,112,401.30-236,178.69

Finding the Fourth Proportional to 741,638.13, 1,112,401.30 and 236,178.69

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Solution

The fourth proportional to 741,638.13, 1,112,401.30 and 236,178.69 is: 354,250.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,638.13 : 1,112,401.30 = 236,178.69 : x
  2. Step 2: Convert to fraction form
    741,638.13/1,112,401.30 = 236,178.69/x
  3. Step 3: Cross multiply
    741,638.13x = 1,112,401.30 × 236,178.69
  4. Step 4: Simplify right side
    741,638.13x = 262,725,481,788.30
  5. Step 5: Solve for x
    x = 262,725,481,788.30/741,638.13
  6. Step 6: Final answer
    x = 354,250.23

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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.