Home / 818,014.04-1,227,086.68-285,523.28

Finding the Fourth Proportional to 818,014.04, 1,227,086.68 and 285,523.28

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Solution

The fourth proportional to 818,014.04, 1,227,086.68 and 285,523.28 is: 428,307.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,014.04 : 1,227,086.68 = 285,523.28 : x
  2. Step 2: Convert to fraction form
    818,014.04/1,227,086.68 = 285,523.28/x
  3. Step 3: Cross multiply
    818,014.04x = 1,227,086.68 × 285,523.28
  4. Step 4: Simplify right side
    818,014.04x = 350,361,813,717.91
  5. Step 5: Solve for x
    x = 350,361,813,717.91/818,014.04
  6. Step 6: Final answer
    x = 428,307.82

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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.