Home / 743,359.60-1,025,753.98-412,207.21

Finding the Fourth Proportional to 743,359.60, 1,025,753.98 and 412,207.21

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Solution

The fourth proportional to 743,359.60, 1,025,753.98 and 412,207.21 is: 568,800.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,359.60 : 1,025,753.98 = 412,207.21 : x
  2. Step 2: Convert to fraction form
    743,359.60/1,025,753.98 = 412,207.21/x
  3. Step 3: Cross multiply
    743,359.60x = 1,025,753.98 × 412,207.21
  4. Step 4: Simplify right side
    743,359.60x = 422,823,189,005.78
  5. Step 5: Solve for x
    x = 422,823,189,005.78/743,359.60
  6. Step 6: Final answer
    x = 568,800.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.