Home / 671,658.53-1,007,620.76-191,890.49

Finding the Fourth Proportional to 671,658.53, 1,007,620.76 and 191,890.49

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Solution

The fourth proportional to 671,658.53, 1,007,620.76 and 191,890.49 is: 287,873.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,658.53 : 1,007,620.76 = 191,890.49 : x
  2. Step 2: Convert to fraction form
    671,658.53/1,007,620.76 = 191,890.49/x
  3. Step 3: Cross multiply
    671,658.53x = 1,007,620.76 × 191,890.49
  4. Step 4: Simplify right side
    671,658.53x = 193,352,845,314.00
  5. Step 5: Solve for x
    x = 193,352,845,314.00/671,658.53
  6. Step 6: Final answer
    x = 287,873.73

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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.