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Finding the Fourth Proportional to 566,269.58, 781,441.91 and 308,137.75

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Solution

The fourth proportional to 566,269.58, 781,441.91 and 308,137.75 is: 425,224.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,269.58 : 781,441.91 = 308,137.75 : x
  2. Step 2: Convert to fraction form
    566,269.58/781,441.91 = 308,137.75/x
  3. Step 3: Cross multiply
    566,269.58x = 781,441.91 × 308,137.75
  4. Step 4: Simplify right side
    566,269.58x = 240,791,751,903.10
  5. Step 5: Solve for x
    x = 240,791,751,903.10/566,269.58
  6. Step 6: Final answer
    x = 425,224.59

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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.