Home / 428,614.02-591,489.72-247,333.56

Finding the Fourth Proportional to 428,614.02, 591,489.72 and 247,333.56

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Solution

The fourth proportional to 428,614.02, 591,489.72 and 247,333.56 is: 341,321.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,614.02 : 591,489.72 = 247,333.56 : x
  2. Step 2: Convert to fraction form
    428,614.02/591,489.72 = 247,333.56/x
  3. Step 3: Cross multiply
    428,614.02x = 591,489.72 × 247,333.56
  4. Step 4: Simplify right side
    428,614.02x = 146,295,258,151.00
  5. Step 5: Solve for x
    x = 146,295,258,151.00/428,614.02
  6. Step 6: Final answer
    x = 341,321.68

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1.5x scale

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.