Home / 393,977.46-590,421.87-341,256.18

Finding the Fourth Proportional to 393,977.46, 590,421.87 and 341,256.18

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Solution

The fourth proportional to 393,977.46, 590,421.87 and 341,256.18 is: 511,412.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,977.46 : 590,421.87 = 341,256.18 : x
  2. Step 2: Convert to fraction form
    393,977.46/590,421.87 = 341,256.18/x
  3. Step 3: Cross multiply
    393,977.46x = 590,421.87 × 341,256.18
  4. Step 4: Simplify right side
    393,977.46x = 201,485,111,944.66
  5. Step 5: Solve for x
    x = 201,485,111,944.66/393,977.46
  6. Step 6: Final answer
    x = 511,412.79

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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.