Home / 428,877.45-591,839.46-247,583.25

Finding the Fourth Proportional to 428,877.45, 591,839.46 and 247,583.25

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Solution

The fourth proportional to 428,877.45, 591,839.46 and 247,583.25 is: 341,658.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,877.45 : 591,839.46 = 247,583.25 : x
  2. Step 2: Convert to fraction form
    428,877.45/591,839.46 = 247,583.25/x
  3. Step 3: Cross multiply
    428,877.45x = 591,839.46 × 247,583.25
  4. Step 4: Simplify right side
    428,877.45x = 146,529,536,985.05
  5. Step 5: Solve for x
    x = 146,529,536,985.05/428,877.45
  6. Step 6: Final answer
    x = 341,658.29

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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.