Home / 498,383.28-747,108.36-276,300.72

Finding the Fourth Proportional to 498,383.28, 747,108.36 and 276,300.72

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Solution

The fourth proportional to 498,383.28, 747,108.36 and 276,300.72 is: 414,192.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,383.28 : 747,108.36 = 276,300.72 : x
  2. Step 2: Convert to fraction form
    498,383.28/747,108.36 = 276,300.72/x
  3. Step 3: Cross multiply
    498,383.28x = 747,108.36 × 276,300.72
  4. Step 4: Simplify right side
    498,383.28x = 206,426,577,786.02
  5. Step 5: Solve for x
    x = 206,426,577,786.02/498,383.28
  6. Step 6: Final answer
    x = 414,192.42

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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.