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Finding the Fourth Proportional to 440,860, 608,387.04 and 239,656

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Solution

The fourth proportional to 440,860, 608,387.04 and 239,656 is: 330,725.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,860 : 608,387.04 = 239,656 : x
  2. Step 2: Convert to fraction form
    440,860/608,387.04 = 239,656/x
  3. Step 3: Cross multiply
    440,860x = 608,387.04 × 239,656
  4. Step 4: Simplify right side
    440,860x = 145,803,604,458.24
  5. Step 5: Solve for x
    x = 145,803,604,458.24/440,860
  6. Step 6: Final answer
    x = 330,725.41

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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.