Home / 940,781.12-1,298,383.84-532,910.72

Finding the Fourth Proportional to 940,781.12, 1,298,383.84 and 532,910.72

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Solution

The fourth proportional to 940,781.12, 1,298,383.84 and 532,910.72 is: 735,476.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,781.12 : 1,298,383.84 = 532,910.72 : x
  2. Step 2: Convert to fraction form
    940,781.12/1,298,383.84 = 532,910.72/x
  3. Step 3: Cross multiply
    940,781.12x = 1,298,383.84 × 532,910.72
  4. Step 4: Simplify right side
    940,781.12x = 691,922,667,010.77
  5. Step 5: Solve for x
    x = 691,922,667,010.77/940,781.12
  6. Step 6: Final answer
    x = 735,476.78

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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.