Home / 671,400.21-1,006,732.21-266,181.92

Finding the Fourth Proportional to 671,400.21, 1,006,732.21 and 266,181.92

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Solution

The fourth proportional to 671,400.21, 1,006,732.21 and 266,181.92 is: 399,126.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,400.21 : 1,006,732.21 = 266,181.92 : x
  2. Step 2: Convert to fraction form
    671,400.21/1,006,732.21 = 266,181.92/x
  3. Step 3: Cross multiply
    671,400.21x = 1,006,732.21 × 266,181.92
  4. Step 4: Simplify right side
    671,400.21x = 267,973,907,549.98
  5. Step 5: Solve for x
    x = 267,973,907,549.98/671,400.21
  6. Step 6: Final answer
    x = 399,126.93

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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.