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Finding the Fourth Proportional to 606,207.88, 909,574.06 and 325,397.32

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Solution

The fourth proportional to 606,207.88, 909,574.06 and 325,397.32 is: 488,236.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,207.88 : 909,574.06 = 325,397.32 : x
  2. Step 2: Convert to fraction form
    606,207.88/909,574.06 = 325,397.32/x
  3. Step 3: Cross multiply
    606,207.88x = 909,574.06 × 325,397.32
  4. Step 4: Simplify right side
    606,207.88x = 295,972,961,465.52
  5. Step 5: Solve for x
    x = 295,972,961,465.52/606,207.88
  6. Step 6: Final answer
    x = 488,236.74

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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.