Home / 917,163.97-1,374,343.07-384,394.37

Finding the Fourth Proportional to 917,163.97, 1,374,343.07 and 384,394.37

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Solution

The fourth proportional to 917,163.97, 1,374,343.07 and 384,394.37 is: 576,003.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,163.97 : 1,374,343.07 = 384,394.37 : x
  2. Step 2: Convert to fraction form
    917,163.97/1,374,343.07 = 384,394.37/x
  3. Step 3: Cross multiply
    917,163.97x = 1,374,343.07 × 384,394.37
  4. Step 4: Simplify right side
    917,163.97x = 528,289,729,762.83
  5. Step 5: Solve for x
    x = 528,289,729,762.83/917,163.97
  6. Step 6: Final answer
    x = 576,003.58

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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.