Home / 704,471.32-1,057,121.70-261,550.36

Finding the Fourth Proportional to 704,471.32, 1,057,121.70 and 261,550.36

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Solution

The fourth proportional to 704,471.32, 1,057,121.70 and 261,550.36 is: 392,479.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,471.32 : 1,057,121.70 = 261,550.36 : x
  2. Step 2: Convert to fraction form
    704,471.32/1,057,121.70 = 261,550.36/x
  3. Step 3: Cross multiply
    704,471.32x = 1,057,121.70 × 261,550.36
  4. Step 4: Simplify right side
    704,471.32x = 276,490,561,198.81
  5. Step 5: Solve for x
    x = 276,490,561,198.81/704,471.32
  6. Step 6: Final answer
    x = 392,479.51

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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.