Home / 727,860.27-1,004,468.27-421,937.85

Finding the Fourth Proportional to 727,860.27, 1,004,468.27 and 421,937.85

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Solution

The fourth proportional to 727,860.27, 1,004,468.27 and 421,937.85 is: 582,286.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,860.27 : 1,004,468.27 = 421,937.85 : x
  2. Step 2: Convert to fraction form
    727,860.27/1,004,468.27 = 421,937.85/x
  3. Step 3: Cross multiply
    727,860.27x = 1,004,468.27 × 421,937.85
  4. Step 4: Simplify right side
    727,860.27x = 423,823,180,127.33
  5. Step 5: Solve for x
    x = 423,823,180,127.33/727,860.27
  6. Step 6: Final answer
    x = 582,286.46

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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.