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Finding the Fourth Proportional to 566,281.84, 781,469.04 and 311,633.03

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Solution

The fourth proportional to 566,281.84, 781,469.04 and 311,633.03 is: 430,053.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,281.84 : 781,469.04 = 311,633.03 : x
  2. Step 2: Convert to fraction form
    566,281.84/781,469.04 = 311,633.03/x
  3. Step 3: Cross multiply
    566,281.84x = 781,469.04 × 311,633.03
  4. Step 4: Simplify right side
    566,281.84x = 243,531,560,879.05
  5. Step 5: Solve for x
    x = 243,531,560,879.05/566,281.84
  6. Step 6: Final answer
    x = 430,053.63

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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.