Home / 755,137.62-1,132,679.70-328,672.62

Finding the Fourth Proportional to 755,137.62, 1,132,679.70 and 328,672.62

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Solution

The fourth proportional to 755,137.62, 1,132,679.70 and 328,672.62 is: 492,997.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,137.62 : 1,132,679.70 = 328,672.62 : x
  2. Step 2: Convert to fraction form
    755,137.62/1,132,679.70 = 328,672.62/x
  3. Step 3: Cross multiply
    755,137.62x = 1,132,679.70 × 328,672.62
  4. Step 4: Simplify right side
    755,137.62x = 372,280,804,619.81
  5. Step 5: Solve for x
    x = 372,280,804,619.81/755,137.62
  6. Step 6: Final answer
    x = 492,997.30

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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.