Home / 818,812.80-1,227,052.80-603,903.60

Finding the Fourth Proportional to 818,812.80, 1,227,052.80 and 603,903.60

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Solution

The fourth proportional to 818,812.80, 1,227,052.80 and 603,903.60 is: 904,995.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,812.80 : 1,227,052.80 = 603,903.60 : x
  2. Step 2: Convert to fraction form
    818,812.80/1,227,052.80 = 603,903.60/x
  3. Step 3: Cross multiply
    818,812.80x = 1,227,052.80 × 603,903.60
  4. Step 4: Simplify right side
    818,812.80x = 741,021,603,310.08
  5. Step 5: Solve for x
    x = 741,021,603,310.08/818,812.80
  6. Step 6: Final answer
    x = 904,995.14

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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.