Home / 987,171.96-1,362,299.82-534,463.80

Finding the Fourth Proportional to 987,171.96, 1,362,299.82 and 534,463.80

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Solution

The fourth proportional to 987,171.96, 1,362,299.82 and 534,463.80 is: 737,561.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,171.96 : 1,362,299.82 = 534,463.80 : x
  2. Step 2: Convert to fraction form
    987,171.96/1,362,299.82 = 534,463.80/x
  3. Step 3: Cross multiply
    987,171.96x = 1,362,299.82 × 534,463.80
  4. Step 4: Simplify right side
    987,171.96x = 728,099,938,536.52
  5. Step 5: Solve for x
    x = 728,099,938,536.52/987,171.96
  6. Step 6: Final answer
    x = 737,561.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.