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Finding the Fourth Proportional to 522,486.63, 783,951.86 and 285,552.52

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Solution

The fourth proportional to 522,486.63, 783,951.86 and 285,552.52 is: 428,450.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,486.63 : 783,951.86 = 285,552.52 : x
  2. Step 2: Convert to fraction form
    522,486.63/783,951.86 = 285,552.52/x
  3. Step 3: Cross multiply
    522,486.63x = 783,951.86 × 285,552.52
  4. Step 4: Simplify right side
    522,486.63x = 223,859,429,181.69
  5. Step 5: Solve for x
    x = 223,859,429,181.69/522,486.63
  6. Step 6: Final answer
    x = 428,450.06

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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.