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Finding the Fourth Proportional to 585,639.25, 808,176.44 and 327,513.24

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Solution

The fourth proportional to 585,639.25, 808,176.44 and 327,513.24 is: 451,965.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,639.25 : 808,176.44 = 327,513.24 : x
  2. Step 2: Convert to fraction form
    585,639.25/808,176.44 = 327,513.24/x
  3. Step 3: Cross multiply
    585,639.25x = 808,176.44 × 327,513.24
  4. Step 4: Simplify right side
    585,639.25x = 264,688,485,174.85
  5. Step 5: Solve for x
    x = 264,688,485,174.85/585,639.25
  6. Step 6: Final answer
    x = 451,965.07

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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.