Home / 428,198.78-590,977.24-246,875.20

Finding the Fourth Proportional to 428,198.78, 590,977.24 and 246,875.20

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Solution

The fourth proportional to 428,198.78, 590,977.24 and 246,875.20 is: 340,724.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,198.78 : 590,977.24 = 246,875.20 : x
  2. Step 2: Convert to fraction form
    428,198.78/590,977.24 = 246,875.20/x
  3. Step 3: Cross multiply
    428,198.78x = 590,977.24 × 246,875.20
  4. Step 4: Simplify right side
    428,198.78x = 145,897,624,320.45
  5. Step 5: Solve for x
    x = 145,897,624,320.45/428,198.78
  6. Step 6: Final answer
    x = 340,724.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.