Home / 658,976.82-909,369.18-368,570.55

Finding the Fourth Proportional to 658,976.82, 909,369.18 and 368,570.55

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Solution

The fourth proportional to 658,976.82, 909,369.18 and 368,570.55 is: 508,616.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,976.82 : 909,369.18 = 368,570.55 : x
  2. Step 2: Convert to fraction form
    658,976.82/909,369.18 = 368,570.55/x
  3. Step 3: Cross multiply
    658,976.82x = 909,369.18 × 368,570.55
  4. Step 4: Simplify right side
    658,976.82x = 335,166,702,235.78
  5. Step 5: Solve for x
    x = 335,166,702,235.78/658,976.82
  6. Step 6: Final answer
    x = 508,616.83

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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.