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Finding the Fourth Proportional to 522,168.49, 783,351.15 and 372,036.41

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Solution

The fourth proportional to 522,168.49, 783,351.15 and 372,036.41 is: 558,124.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,168.49 : 783,351.15 = 372,036.41 : x
  2. Step 2: Convert to fraction form
    522,168.49/783,351.15 = 372,036.41/x
  3. Step 3: Cross multiply
    522,168.49x = 783,351.15 × 372,036.41
  4. Step 4: Simplify right side
    522,168.49x = 291,435,147,656.99
  5. Step 5: Solve for x
    x = 291,435,147,656.99/522,168.49
  6. Step 6: Final answer
    x = 558,124.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.