Home / 770,963.67-1,155,822.21-322,028.46

Finding the Fourth Proportional to 770,963.67, 1,155,822.21 and 322,028.46

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Solution

The fourth proportional to 770,963.67, 1,155,822.21 and 322,028.46 is: 482,782.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,963.67 : 1,155,822.21 = 322,028.46 : x
  2. Step 2: Convert to fraction form
    770,963.67/1,155,822.21 = 322,028.46/x
  3. Step 3: Cross multiply
    770,963.67x = 1,155,822.21 × 322,028.46
  4. Step 4: Simplify right side
    770,963.67x = 372,207,646,320.10
  5. Step 5: Solve for x
    x = 372,207,646,320.10/770,963.67
  6. Step 6: Final answer
    x = 482,782.34

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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.