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Finding the Fourth Proportional to 522,269.78, 783,404.67 and 344,735.28

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Solution

The fourth proportional to 522,269.78, 783,404.67 and 344,735.28 is: 517,102.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,269.78 : 783,404.67 = 344,735.28 : x
  2. Step 2: Convert to fraction form
    522,269.78/783,404.67 = 344,735.28/x
  3. Step 3: Cross multiply
    522,269.78x = 783,404.67 × 344,735.28
  4. Step 4: Simplify right side
    522,269.78x = 270,067,228,265.76
  5. Step 5: Solve for x
    x = 270,067,228,265.76/522,269.78
  6. Step 6: Final answer
    x = 517,102.92

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1.5x scale

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.