Home / 733,958.31-1,012,864.26-428,244.87

Finding the Fourth Proportional to 733,958.31, 1,012,864.26 and 428,244.87

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Solution

The fourth proportional to 733,958.31, 1,012,864.26 and 428,244.87 is: 590,978.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,958.31 : 1,012,864.26 = 428,244.87 : x
  2. Step 2: Convert to fraction form
    733,958.31/1,012,864.26 = 428,244.87/x
  3. Step 3: Cross multiply
    733,958.31x = 1,012,864.26 × 428,244.87
  4. Step 4: Simplify right side
    733,958.31x = 433,753,928,755.51
  5. Step 5: Solve for x
    x = 433,753,928,755.51/733,958.31
  6. Step 6: Final answer
    x = 590,978.97

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1.5x scale

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.