Home / 682,737.91-1,024,238.98-261,981.07

Finding the Fourth Proportional to 682,737.91, 1,024,238.98 and 261,981.07

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Solution

The fourth proportional to 682,737.91, 1,024,238.98 and 261,981.07 is: 393,022.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,737.91 : 1,024,238.98 = 261,981.07 : x
  2. Step 2: Convert to fraction form
    682,737.91/1,024,238.98 = 261,981.07/x
  3. Step 3: Cross multiply
    682,737.91x = 1,024,238.98 × 261,981.07
  4. Step 4: Simplify right side
    682,737.91x = 268,331,221,682.99
  5. Step 5: Solve for x
    x = 268,331,221,682.99/682,737.91
  6. Step 6: Final answer
    x = 393,022.30

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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.