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Finding the Fourth Proportional to 606,206.88, 909,572.56 and 325,396.32

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Solution

The fourth proportional to 606,206.88, 909,572.56 and 325,396.32 is: 488,235.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,206.88 : 909,572.56 = 325,396.32 : x
  2. Step 2: Convert to fraction form
    606,206.88/909,572.56 = 325,396.32/x
  3. Step 3: Cross multiply
    606,206.88x = 909,572.56 × 325,396.32
  4. Step 4: Simplify right side
    606,206.88x = 295,971,563,796.98
  5. Step 5: Solve for x
    x = 295,971,563,796.98/606,206.88
  6. Step 6: Final answer
    x = 488,235.24

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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.