Home / 950,312.97-1,311,446.77-520,564.73

Finding the Fourth Proportional to 950,312.97, 1,311,446.77 and 520,564.73

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Solution

The fourth proportional to 950,312.97, 1,311,446.77 and 520,564.73 is: 718,387.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,312.97 : 1,311,446.77 = 520,564.73 : x
  2. Step 2: Convert to fraction form
    950,312.97/1,311,446.77 = 520,564.73/x
  3. Step 3: Cross multiply
    950,312.97x = 1,311,446.77 × 520,564.73
  4. Step 4: Simplify right side
    950,312.97x = 682,692,933,734.42
  5. Step 5: Solve for x
    x = 682,692,933,734.42/950,312.97
  6. Step 6: Final answer
    x = 718,387.47

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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.