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Finding the Fourth Proportional to 565,004, 779,774.82 and 326,540

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Solution

The fourth proportional to 565,004, 779,774.82 and 326,540 is: 450,665.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,004 : 779,774.82 = 326,540 : x
  2. Step 2: Convert to fraction form
    565,004/779,774.82 = 326,540/x
  3. Step 3: Cross multiply
    565,004x = 779,774.82 × 326,540
  4. Step 4: Simplify right side
    565,004x = 254,627,669,722.80
  5. Step 5: Solve for x
    x = 254,627,669,722.80/565,004
  6. Step 6: Final answer
    x = 450,665.25

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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.