Home / 881,004.78-1,321,603.11-281,825.10

Finding the Fourth Proportional to 881,004.78, 1,321,603.11 and 281,825.10

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Solution

The fourth proportional to 881,004.78, 1,321,603.11 and 281,825.10 is: 422,768.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,004.78 : 1,321,603.11 = 281,825.10 : x
  2. Step 2: Convert to fraction form
    881,004.78/1,321,603.11 = 281,825.10/x
  3. Step 3: Cross multiply
    881,004.78x = 1,321,603.11 × 281,825.10
  4. Step 4: Simplify right side
    881,004.78x = 372,460,928,636.06
  5. Step 5: Solve for x
    x = 372,460,928,636.06/881,004.78
  6. Step 6: Final answer
    x = 422,768.34

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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.