Home / 891,864-1,230,766.06-483,955.46

Finding the Fourth Proportional to 891,864, 1,230,766.06 and 483,955.46

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Solution

The fourth proportional to 891,864, 1,230,766.06 and 483,955.46 is: 667,855.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,864 : 1,230,766.06 = 483,955.46 : x
  2. Step 2: Convert to fraction form
    891,864/1,230,766.06 = 483,955.46/x
  3. Step 3: Cross multiply
    891,864x = 1,230,766.06 × 483,955.46
  4. Step 4: Simplify right side
    891,864x = 595,635,954,719.69
  5. Step 5: Solve for x
    x = 595,635,954,719.69/891,864
  6. Step 6: Final answer
    x = 667,855.14

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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.