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Finding the Fourth Proportional to 440,734.04, 608,342.94 and 287,796

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Solution

The fourth proportional to 440,734.04, 608,342.94 and 287,796 is: 397,243.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,734.04 : 608,342.94 = 287,796 : x
  2. Step 2: Convert to fraction form
    440,734.04/608,342.94 = 287,796/x
  3. Step 3: Cross multiply
    440,734.04x = 608,342.94 × 287,796
  4. Step 4: Simplify right side
    440,734.04x = 175,078,664,760.24
  5. Step 5: Solve for x
    x = 175,078,664,760.24/440,734.04
  6. Step 6: Final answer
    x = 397,243.35

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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.