Home / 428,401.45-591,183.94-237,410.74

Finding the Fourth Proportional to 428,401.45, 591,183.94 and 237,410.74

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Solution

The fourth proportional to 428,401.45, 591,183.94 and 237,410.74 is: 327,621.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,401.45 : 591,183.94 = 237,410.74 : x
  2. Step 2: Convert to fraction form
    428,401.45/591,183.94 = 237,410.74/x
  3. Step 3: Cross multiply
    428,401.45x = 591,183.94 × 237,410.74
  4. Step 4: Simplify right side
    428,401.45x = 140,353,413,415.90
  5. Step 5: Solve for x
    x = 140,353,413,415.90/428,401.45
  6. Step 6: Final answer
    x = 327,621.24

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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.