Home / 566,282.42-781,469.27-311,633.60

Finding the Fourth Proportional to 566,282.42, 781,469.27 and 311,633.60

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Solution

The fourth proportional to 566,282.42, 781,469.27 and 311,633.60 is: 430,054.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,282.42 : 781,469.27 = 311,633.60 : x
  2. Step 2: Convert to fraction form
    566,282.42/781,469.27 = 311,633.60/x
  3. Step 3: Cross multiply
    566,282.42x = 781,469.27 × 311,633.60
  4. Step 4: Simplify right side
    566,282.42x = 243,532,081,899.47
  5. Step 5: Solve for x
    x = 243,532,081,899.47/566,282.42
  6. Step 6: Final answer
    x = 430,054.11

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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.