Home / 940,651.85-1,410,881.65-257,599.43

Finding the Fourth Proportional to 940,651.85, 1,410,881.65 and 257,599.43

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Solution

The fourth proportional to 940,651.85, 1,410,881.65 and 257,599.43 is: 386,372.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,651.85 : 1,410,881.65 = 257,599.43 : x
  2. Step 2: Convert to fraction form
    940,651.85/1,410,881.65 = 257,599.43/x
  3. Step 3: Cross multiply
    940,651.85x = 1,410,881.65 × 257,599.43
  4. Step 4: Simplify right side
    940,651.85x = 363,442,311,720.67
  5. Step 5: Solve for x
    x = 363,442,311,720.67/940,651.85
  6. Step 6: Final answer
    x = 386,372.83

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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.