Home / 395,126.20-590,939.70-332,140.60

Finding the Fourth Proportional to 395,126.20, 590,939.70 and 332,140.60

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Solution

The fourth proportional to 395,126.20, 590,939.70 and 332,140.60 is: 496,740.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,126.20 : 590,939.70 = 332,140.60 : x
  2. Step 2: Convert to fraction form
    395,126.20/590,939.70 = 332,140.60/x
  3. Step 3: Cross multiply
    395,126.20x = 590,939.70 × 332,140.60
  4. Step 4: Simplify right side
    395,126.20x = 196,275,066,521.82
  5. Step 5: Solve for x
    x = 196,275,066,521.82/395,126.20
  6. Step 6: Final answer
    x = 496,740.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.