Home / 400,700.22-552,941.85-219,414.30

Finding the Fourth Proportional to 400,700.22, 552,941.85 and 219,414.30

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Solution

The fourth proportional to 400,700.22, 552,941.85 and 219,414.30 is: 302,778.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,700.22 : 552,941.85 = 219,414.30 : x
  2. Step 2: Convert to fraction form
    400,700.22/552,941.85 = 219,414.30/x
  3. Step 3: Cross multiply
    400,700.22x = 552,941.85 × 219,414.30
  4. Step 4: Simplify right side
    400,700.22x = 121,323,348,958.46
  5. Step 5: Solve for x
    x = 121,323,348,958.46/400,700.22
  6. Step 6: Final answer
    x = 302,778.34

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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.