Home / 818,749.60-1,228,561.80-369,539.80

Finding the Fourth Proportional to 818,749.60, 1,228,561.80 and 369,539.80

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Solution

The fourth proportional to 818,749.60, 1,228,561.80 and 369,539.80 is: 554,507.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,749.60 : 1,228,561.80 = 369,539.80 : x
  2. Step 2: Convert to fraction form
    818,749.60/1,228,561.80 = 369,539.80/x
  3. Step 3: Cross multiply
    818,749.60x = 1,228,561.80 × 369,539.80
  4. Step 4: Simplify right side
    818,749.60x = 454,002,481,859.64
  5. Step 5: Solve for x
    x = 454,002,481,859.64/818,749.60
  6. Step 6: Final answer
    x = 554,507.12

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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.