Home / 671,974.76-1,007,455.23-405,671.93

Finding the Fourth Proportional to 671,974.76, 1,007,455.23 and 405,671.93

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Solution

The fourth proportional to 671,974.76, 1,007,455.23 and 405,671.93 is: 608,201.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,974.76 : 1,007,455.23 = 405,671.93 : x
  2. Step 2: Convert to fraction form
    671,974.76/1,007,455.23 = 405,671.93/x
  3. Step 3: Cross multiply
    671,974.76x = 1,007,455.23 × 405,671.93
  4. Step 4: Simplify right side
    671,974.76x = 408,696,302,505.42
  5. Step 5: Solve for x
    x = 408,696,302,505.42/671,974.76
  6. Step 6: Final answer
    x = 608,201.87

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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.