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Finding the Fourth Proportional to 617,811.30, 925,550.55 and 317,268.90

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Solution

The fourth proportional to 617,811.30, 925,550.55 and 317,268.90 is: 475,304.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,811.30 : 925,550.55 = 317,268.90 : x
  2. Step 2: Convert to fraction form
    617,811.30/925,550.55 = 317,268.90/x
  3. Step 3: Cross multiply
    617,811.30x = 925,550.55 × 317,268.90
  4. Step 4: Simplify right side
    617,811.30x = 293,648,404,892.90
  5. Step 5: Solve for x
    x = 293,648,404,892.90/617,811.30
  6. Step 6: Final answer
    x = 475,304.36

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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.