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Finding the Fourth Proportional to 522,378, 783,566.88 and 344,843.44

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Solution

The fourth proportional to 522,378, 783,566.88 and 344,843.44 is: 517,265.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,378 : 783,566.88 = 344,843.44 : x
  2. Step 2: Convert to fraction form
    522,378/783,566.88 = 344,843.44/x
  3. Step 3: Cross multiply
    522,378x = 783,566.88 × 344,843.44
  4. Step 4: Simplify right side
    522,378x = 270,207,898,369.27
  5. Step 5: Solve for x
    x = 270,207,898,369.27/522,378
  6. Step 6: Final answer
    x = 517,265.08

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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.