Home / 671,611.30-1,008,194.55-405,672.10

Finding the Fourth Proportional to 671,611.30, 1,008,194.55 and 405,672.10

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Solution

The fourth proportional to 671,611.30, 1,008,194.55 and 405,672.10 is: 608,977.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,611.30 : 1,008,194.55 = 405,672.10 : x
  2. Step 2: Convert to fraction form
    671,611.30/1,008,194.55 = 405,672.10/x
  3. Step 3: Cross multiply
    671,611.30x = 1,008,194.55 × 405,672.10
  4. Step 4: Simplify right side
    671,611.30x = 408,996,400,307.06
  5. Step 5: Solve for x
    x = 408,996,400,307.06/671,611.30
  6. Step 6: Final answer
    x = 608,977.84

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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.