Home / 818,283.13-1,227,468.43-257,361.37

Finding the Fourth Proportional to 818,283.13, 1,227,468.43 and 257,361.37

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Solution

The fourth proportional to 818,283.13, 1,227,468.43 and 257,361.37 is: 386,055.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,283.13 : 1,227,468.43 = 257,361.37 : x
  2. Step 2: Convert to fraction form
    818,283.13/1,227,468.43 = 257,361.37/x
  3. Step 3: Cross multiply
    818,283.13x = 1,227,468.43 × 257,361.37
  4. Step 4: Simplify right side
    818,283.13x = 315,902,956,776.55
  5. Step 5: Solve for x
    x = 315,902,956,776.55/818,283.13
  6. Step 6: Final answer
    x = 386,055.81

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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.