Home / 881,054.42-1,320,935.24-281,670.62

Finding the Fourth Proportional to 881,054.42, 1,320,935.24 and 281,670.62

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Solution

The fourth proportional to 881,054.42, 1,320,935.24 and 281,670.62 is: 422,299.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,054.42 : 1,320,935.24 = 281,670.62 : x
  2. Step 2: Convert to fraction form
    881,054.42/1,320,935.24 = 281,670.62/x
  3. Step 3: Cross multiply
    881,054.42x = 1,320,935.24 × 281,670.62
  4. Step 4: Simplify right side
    881,054.42x = 372,068,640,017.62
  5. Step 5: Solve for x
    x = 372,068,640,017.62/881,054.42
  6. Step 6: Final answer
    x = 422,299.27

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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.