Home / 415,440.20-573,304.56-245,670.68

Finding the Fourth Proportional to 415,440.20, 573,304.56 and 245,670.68

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Solution

The fourth proportional to 415,440.20, 573,304.56 and 245,670.68 is: 339,023.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,440.20 : 573,304.56 = 245,670.68 : x
  2. Step 2: Convert to fraction form
    415,440.20/573,304.56 = 245,670.68/x
  3. Step 3: Cross multiply
    415,440.20x = 573,304.56 × 245,670.68
  4. Step 4: Simplify right side
    415,440.20x = 140,844,121,102.30
  5. Step 5: Solve for x
    x = 140,844,121,102.30/415,440.20
  6. Step 6: Final answer
    x = 339,023.81

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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.