Home / 428,073.55-590,740.01-246,784.61

Finding the Fourth Proportional to 428,073.55, 590,740.01 and 246,784.61

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Solution

The fourth proportional to 428,073.55, 590,740.01 and 246,784.61 is: 340,561.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,073.55 : 590,740.01 = 246,784.61 : x
  2. Step 2: Convert to fraction form
    428,073.55/590,740.01 = 246,784.61/x
  3. Step 3: Cross multiply
    428,073.55x = 590,740.01 × 246,784.61
  4. Step 4: Simplify right side
    428,073.55x = 145,785,542,979.25
  5. Step 5: Solve for x
    x = 145,785,542,979.25/428,073.55
  6. Step 6: Final answer
    x = 340,561.90

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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.