Home / 756,146.10-1,134,219.15-223,625.69

Finding the Fourth Proportional to 756,146.10, 1,134,219.15 and 223,625.69

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Solution

The fourth proportional to 756,146.10, 1,134,219.15 and 223,625.69 is: 335,438.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,146.10 : 1,134,219.15 = 223,625.69 : x
  2. Step 2: Convert to fraction form
    756,146.10/1,134,219.15 = 223,625.69/x
  3. Step 3: Cross multiply
    756,146.10x = 1,134,219.15 × 223,625.69
  4. Step 4: Simplify right side
    756,146.10x = 253,640,534,358.87
  5. Step 5: Solve for x
    x = 253,640,534,358.87/756,146.10
  6. Step 6: Final answer
    x = 335,438.53

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Similar ratio
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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.