Home / 939,857.24-1,297,004.32-510,137.46

Finding the Fourth Proportional to 939,857.24, 1,297,004.32 and 510,137.46

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Solution

The fourth proportional to 939,857.24, 1,297,004.32 and 510,137.46 is: 703,990.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,857.24 : 1,297,004.32 = 510,137.46 : x
  2. Step 2: Convert to fraction form
    939,857.24/1,297,004.32 = 510,137.46/x
  3. Step 3: Cross multiply
    939,857.24x = 1,297,004.32 × 510,137.46
  4. Step 4: Simplify right side
    939,857.24x = 661,650,489,413.83
  5. Step 5: Solve for x
    x = 661,650,489,413.83/939,857.24
  6. Step 6: Final answer
    x = 703,990.42

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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.