Home / 587,640.73-881,710.14-321,089.83

Finding the Fourth Proportional to 587,640.73, 881,710.14 and 321,089.83

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Solution

The fourth proportional to 587,640.73, 881,710.14 and 321,089.83 is: 481,770.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,640.73 : 881,710.14 = 321,089.83 : x
  2. Step 2: Convert to fraction form
    587,640.73/881,710.14 = 321,089.83/x
  3. Step 3: Cross multiply
    587,640.73x = 881,710.14 × 321,089.83
  4. Step 4: Simplify right side
    587,640.73x = 283,108,158,961.88
  5. Step 5: Solve for x
    x = 283,108,158,961.88/587,640.73
  6. Step 6: Final answer
    x = 481,770.82

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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.