Home / 891,867.33-1,230,770.61-483,958.80

Finding the Fourth Proportional to 891,867.33, 1,230,770.61 and 483,958.80

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Solution

The fourth proportional to 891,867.33, 1,230,770.61 and 483,958.80 is: 667,859.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,867.33 : 1,230,770.61 = 483,958.80 : x
  2. Step 2: Convert to fraction form
    891,867.33/1,230,770.61 = 483,958.80/x
  3. Step 3: Cross multiply
    891,867.33x = 1,230,770.61 × 483,958.80
  4. Step 4: Simplify right side
    891,867.33x = 595,642,267,490.87
  5. Step 5: Solve for x
    x = 595,642,267,490.87/891,867.33
  6. Step 6: Final answer
    x = 667,859.72

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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.