Home / 786,611.88-1,085,617.62-447,131.16

Finding the Fourth Proportional to 786,611.88, 1,085,617.62 and 447,131.16

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Solution

The fourth proportional to 786,611.88, 1,085,617.62 and 447,131.16 is: 617,093.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,611.88 : 1,085,617.62 = 447,131.16 : x
  2. Step 2: Convert to fraction form
    786,611.88/1,085,617.62 = 447,131.16/x
  3. Step 3: Cross multiply
    786,611.88x = 1,085,617.62 × 447,131.16
  4. Step 4: Simplify right side
    786,611.88x = 485,413,465,747.04
  5. Step 5: Solve for x
    x = 485,413,465,747.04/786,611.88
  6. Step 6: Final answer
    x = 617,093.99

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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.