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Finding the Fourth Proportional to 577,317.27, 796,684.06 and 322,692.15

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Solution

The fourth proportional to 577,317.27, 796,684.06 and 322,692.15 is: 445,307.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,317.27 : 796,684.06 = 322,692.15 : x
  2. Step 2: Convert to fraction form
    577,317.27/796,684.06 = 322,692.15/x
  3. Step 3: Cross multiply
    577,317.27x = 796,684.06 × 322,692.15
  4. Step 4: Simplify right side
    577,317.27x = 257,083,689,393.69
  5. Step 5: Solve for x
    x = 257,083,689,393.69/577,317.27
  6. Step 6: Final answer
    x = 445,307.47

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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.