Home / 428,238.08-591,031.44-246,914.54

Finding the Fourth Proportional to 428,238.08, 591,031.44 and 246,914.54

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Solution

The fourth proportional to 428,238.08, 591,031.44 and 246,914.54 is: 340,778.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,238.08 : 591,031.44 = 246,914.54 : x
  2. Step 2: Convert to fraction form
    428,238.08/591,031.44 = 246,914.54/x
  3. Step 3: Cross multiply
    428,238.08x = 591,031.44 × 246,914.54
  4. Step 4: Simplify right side
    428,238.08x = 145,934,256,133.14
  5. Step 5: Solve for x
    x = 145,934,256,133.14/428,238.08
  6. Step 6: Final answer
    x = 340,778.33

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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.