Home / 428,280.66-591,027.03-246,989.97

Finding the Fourth Proportional to 428,280.66, 591,027.03 and 246,989.97

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Solution

The fourth proportional to 428,280.66, 591,027.03 and 246,989.97 is: 340,846.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,280.66 : 591,027.03 = 246,989.97 : x
  2. Step 2: Convert to fraction form
    428,280.66/591,027.03 = 246,989.97/x
  3. Step 3: Cross multiply
    428,280.66x = 591,027.03 × 246,989.97
  4. Step 4: Simplify right side
    428,280.66x = 145,977,748,408.89
  5. Step 5: Solve for x
    x = 145,977,748,408.89/428,280.66
  6. Step 6: Final answer
    x = 340,846.00

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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.