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Finding the Fourth Proportional to 440,268.98, 660,625.02 and 328,174.29

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Solution

The fourth proportional to 440,268.98, 660,625.02 and 328,174.29 is: 492,426.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,268.98 : 660,625.02 = 328,174.29 : x
  2. Step 2: Convert to fraction form
    440,268.98/660,625.02 = 328,174.29/x
  3. Step 3: Cross multiply
    440,268.98x = 660,625.02 × 328,174.29
  4. Step 4: Simplify right side
    440,268.98x = 216,800,146,894.74
  5. Step 5: Solve for x
    x = 216,800,146,894.74/440,268.98
  6. Step 6: Final answer
    x = 492,426.58

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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.