Home / 668,773.96-1,002,633.18-331,582.12

Finding the Fourth Proportional to 668,773.96, 1,002,633.18 and 331,582.12

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Solution

The fourth proportional to 668,773.96, 1,002,633.18 and 331,582.12 is: 497,111.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,773.96 : 1,002,633.18 = 331,582.12 : x
  2. Step 2: Convert to fraction form
    668,773.96/1,002,633.18 = 331,582.12/x
  3. Step 3: Cross multiply
    668,773.96x = 1,002,633.18 × 331,582.12
  4. Step 4: Simplify right side
    668,773.96x = 332,455,235,406.74
  5. Step 5: Solve for x
    x = 332,455,235,406.74/668,773.96
  6. Step 6: Final answer
    x = 497,111.51

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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.