Home / 428,976.24-592,015.20-247,695.80

Finding the Fourth Proportional to 428,976.24, 592,015.20 and 247,695.80

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Solution

The fourth proportional to 428,976.24, 592,015.20 and 247,695.80 is: 341,836.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,976.24 : 592,015.20 = 247,695.80 : x
  2. Step 2: Convert to fraction form
    428,976.24/592,015.20 = 247,695.80/x
  3. Step 3: Cross multiply
    428,976.24x = 592,015.20 × 247,695.80
  4. Step 4: Simplify right side
    428,976.24x = 146,639,678,576.16
  5. Step 5: Solve for x
    x = 146,639,678,576.16/428,976.24
  6. Step 6: Final answer
    x = 341,836.37

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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.