Home / 835,487.64-1,253,255.76-204,401.28

Finding the Fourth Proportional to 835,487.64, 1,253,255.76 and 204,401.28

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Solution

The fourth proportional to 835,487.64, 1,253,255.76 and 204,401.28 is: 306,607.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,487.64 : 1,253,255.76 = 204,401.28 : x
  2. Step 2: Convert to fraction form
    835,487.64/1,253,255.76 = 204,401.28/x
  3. Step 3: Cross multiply
    835,487.64x = 1,253,255.76 × 204,401.28
  4. Step 4: Simplify right side
    835,487.64x = 256,167,081,511.37
  5. Step 5: Solve for x
    x = 256,167,081,511.37/835,487.64
  6. Step 6: Final answer
    x = 306,607.86

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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.