Home / 881,057.43-1,320,939.72-281,673.63

Finding the Fourth Proportional to 881,057.43, 1,320,939.72 and 281,673.63

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Solution

The fourth proportional to 881,057.43, 1,320,939.72 and 281,673.63 is: 422,303.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,057.43 : 1,320,939.72 = 281,673.63 : x
  2. Step 2: Convert to fraction form
    881,057.43/1,320,939.72 = 281,673.63/x
  3. Step 3: Cross multiply
    881,057.43x = 1,320,939.72 × 281,673.63
  4. Step 4: Simplify right side
    881,057.43x = 372,073,885,943.58
  5. Step 5: Solve for x
    x = 372,073,885,943.58/881,057.43
  6. Step 6: Final answer
    x = 422,303.78

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1.5x scale

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.