Home / 998,633.67-1,497,961.43-288,667.86

Finding the Fourth Proportional to 998,633.67, 1,497,961.43 and 288,667.86

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Solution

The fourth proportional to 998,633.67, 1,497,961.43 and 288,667.86 is: 433,004.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,633.67 : 1,497,961.43 = 288,667.86 : x
  2. Step 2: Convert to fraction form
    998,633.67/1,497,961.43 = 288,667.86/x
  3. Step 3: Cross multiply
    998,633.67x = 1,497,961.43 × 288,667.86
  4. Step 4: Simplify right side
    998,633.67x = 432,413,320,360.64
  5. Step 5: Solve for x
    x = 432,413,320,360.64/998,633.67
  6. Step 6: Final answer
    x = 433,004.95

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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.