Home / 914,467.93-1,261,986.03-521,992.87

Finding the Fourth Proportional to 914,467.93, 1,261,986.03 and 521,992.87

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Solution

The fourth proportional to 914,467.93, 1,261,986.03 and 521,992.87 is: 720,361.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,467.93 : 1,261,986.03 = 521,992.87 : x
  2. Step 2: Convert to fraction form
    914,467.93/1,261,986.03 = 521,992.87/x
  3. Step 3: Cross multiply
    914,467.93x = 1,261,986.03 × 521,992.87
  4. Step 4: Simplify right side
    914,467.93x = 658,747,709,699.61
  5. Step 5: Solve for x
    x = 658,747,709,699.61/914,467.93
  6. Step 6: Final answer
    x = 720,361.74

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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.