Home / 757,091.88-1,135,794.56-307,812.83

Finding the Fourth Proportional to 757,091.88, 1,135,794.56 and 307,812.83

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Solution

The fourth proportional to 757,091.88, 1,135,794.56 and 307,812.83 is: 461,782.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,091.88 : 1,135,794.56 = 307,812.83 : x
  2. Step 2: Convert to fraction form
    757,091.88/1,135,794.56 = 307,812.83/x
  3. Step 3: Cross multiply
    757,091.88x = 1,135,794.56 × 307,812.83
  4. Step 4: Simplify right side
    757,091.88x = 349,612,130,594.17
  5. Step 5: Solve for x
    x = 349,612,130,594.17/757,091.88
  6. Step 6: Final answer
    x = 461,782.96

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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.