Home / 987,725.00-1,480,906.67-388,754.93

Finding the Fourth Proportional to 987,725.00, 1,480,906.67 and 388,754.93

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Solution

The fourth proportional to 987,725.00, 1,480,906.67 and 388,754.93 is: 582,864.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,725.00 : 1,480,906.67 = 388,754.93 : x
  2. Step 2: Convert to fraction form
    987,725.00/1,480,906.67 = 388,754.93/x
  3. Step 3: Cross multiply
    987,725.00x = 1,480,906.67 × 388,754.93
  4. Step 4: Simplify right side
    987,725.00x = 575,709,770,590.88
  5. Step 5: Solve for x
    x = 575,709,770,590.88/987,725.00
  6. Step 6: Final answer
    x = 582,864.43

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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.