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Finding the Fourth Proportional to 565,169.49, 779,888.66 and 323,396.64

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Solution

The fourth proportional to 565,169.49, 779,888.66 and 323,396.64 is: 446,261.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,169.49 : 779,888.66 = 323,396.64 : x
  2. Step 2: Convert to fraction form
    565,169.49/779,888.66 = 323,396.64/x
  3. Step 3: Cross multiply
    565,169.49x = 779,888.66 × 323,396.64
  4. Step 4: Simplify right side
    565,169.49x = 252,213,370,601.12
  5. Step 5: Solve for x
    x = 252,213,370,601.12/565,169.49
  6. Step 6: Final answer
    x = 446,261.48

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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.