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Finding the Fourth Proportional to 586,374.86, 809,129.04 and 328,265.94

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Solution

The fourth proportional to 586,374.86, 809,129.04 and 328,265.94 is: 452,968.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,374.86 : 809,129.04 = 328,265.94 : x
  2. Step 2: Convert to fraction form
    586,374.86/809,129.04 = 328,265.94/x
  3. Step 3: Cross multiply
    586,374.86x = 809,129.04 × 328,265.94
  4. Step 4: Simplify right side
    586,374.86x = 265,609,504,896.90
  5. Step 5: Solve for x
    x = 265,609,504,896.90/586,374.86
  6. Step 6: Final answer
    x = 452,968.78

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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.