Home / 428,074.30-590,741.05-246,785.36

Finding the Fourth Proportional to 428,074.30, 590,741.05 and 246,785.36

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Solution

The fourth proportional to 428,074.30, 590,741.05 and 246,785.36 is: 340,562.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,074.30 : 590,741.05 = 246,785.36 : x
  2. Step 2: Convert to fraction form
    428,074.30/590,741.05 = 246,785.36/x
  3. Step 3: Cross multiply
    428,074.30x = 590,741.05 × 246,785.36
  4. Step 4: Simplify right side
    428,074.30x = 145,786,242,691.03
  5. Step 5: Solve for x
    x = 145,786,242,691.03/428,074.30
  6. Step 6: Final answer
    x = 340,562.94

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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.