Home / 566,282.25-781,469.63-311,633.43

Finding the Fourth Proportional to 566,282.25, 781,469.63 and 311,633.43

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Solution

The fourth proportional to 566,282.25, 781,469.63 and 311,633.43 is: 430,054.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,282.25 : 781,469.63 = 311,633.43 : x
  2. Step 2: Convert to fraction form
    566,282.25/781,469.63 = 311,633.43/x
  3. Step 3: Cross multiply
    566,282.25x = 781,469.63 × 311,633.43
  4. Step 4: Simplify right side
    566,282.25x = 243,532,059,679.56
  5. Step 5: Solve for x
    x = 243,532,059,679.56/566,282.25
  6. Step 6: Final answer
    x = 430,054.20

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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.