Home / 428,882.20-591,846.01-247,588

Finding the Fourth Proportional to 428,882.20, 591,846.01 and 247,588

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Solution

The fourth proportional to 428,882.20, 591,846.01 and 247,588 is: 341,664.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,882.20 : 591,846.01 = 247,588 : x
  2. Step 2: Convert to fraction form
    428,882.20/591,846.01 = 247,588/x
  3. Step 3: Cross multiply
    428,882.20x = 591,846.01 × 247,588
  4. Step 4: Simplify right side
    428,882.20x = 146,533,969,923.88
  5. Step 5: Solve for x
    x = 146,533,969,923.88/428,882.20
  6. Step 6: Final answer
    x = 341,664.84

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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.