Home / 837,864.61-1,255,812.73-387,634.41

Finding the Fourth Proportional to 837,864.61, 1,255,812.73 and 387,634.41

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Solution

The fourth proportional to 837,864.61, 1,255,812.73 and 387,634.41 is: 580,996.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,864.61 : 1,255,812.73 = 387,634.41 : x
  2. Step 2: Convert to fraction form
    837,864.61/1,255,812.73 = 387,634.41/x
  3. Step 3: Cross multiply
    837,864.61x = 1,255,812.73 × 387,634.41
  4. Step 4: Simplify right side
    837,864.61x = 486,796,225,694.95
  5. Step 5: Solve for x
    x = 486,796,225,694.95/837,864.61
  6. Step 6: Final answer
    x = 580,996.29

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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.