Home / 730,334.60-1,007,761.56-408,004.64

Finding the Fourth Proportional to 730,334.60, 1,007,761.56 and 408,004.64

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Solution

The fourth proportional to 730,334.60, 1,007,761.56 and 408,004.64 is: 562,990.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,334.60 : 1,007,761.56 = 408,004.64 : x
  2. Step 2: Convert to fraction form
    730,334.60/1,007,761.56 = 408,004.64/x
  3. Step 3: Cross multiply
    730,334.60x = 1,007,761.56 × 408,004.64
  4. Step 4: Simplify right side
    730,334.60x = 411,171,392,493.64
  5. Step 5: Solve for x
    x = 411,171,392,493.64/730,334.60
  6. Step 6: Final answer
    x = 562,990.43

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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.