Home / 762,161.78-1,143,390.90-229,656.44

Finding the Fourth Proportional to 762,161.78, 1,143,390.90 and 229,656.44

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Solution

The fourth proportional to 762,161.78, 1,143,390.90 and 229,656.44 is: 344,529.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,161.78 : 1,143,390.90 = 229,656.44 : x
  2. Step 2: Convert to fraction form
    762,161.78/1,143,390.90 = 229,656.44/x
  3. Step 3: Cross multiply
    762,161.78x = 1,143,390.90 × 229,656.44
  4. Step 4: Simplify right side
    762,161.78x = 262,587,083,622.40
  5. Step 5: Solve for x
    x = 262,587,083,622.40/762,161.78
  6. Step 6: Final answer
    x = 344,529.33

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Double scale
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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.