Home / 891,476.24-1,230,231.90-483,578.86

Finding the Fourth Proportional to 891,476.24, 1,230,231.90 and 483,578.86

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Solution

The fourth proportional to 891,476.24, 1,230,231.90 and 483,578.86 is: 667,335.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,476.24 : 1,230,231.90 = 483,578.86 : x
  2. Step 2: Convert to fraction form
    891,476.24/1,230,231.90 = 483,578.86/x
  3. Step 3: Cross multiply
    891,476.24x = 1,230,231.90 × 483,578.86
  4. Step 4: Simplify right side
    891,476.24x = 594,914,139,737.63
  5. Step 5: Solve for x
    x = 594,914,139,737.63/891,476.24
  6. Step 6: Final answer
    x = 667,335.95

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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.