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Finding the Fourth Proportional to 522,126.78, 720,166.32 and 444,403.86

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Solution

The fourth proportional to 522,126.78, 720,166.32 and 444,403.86 is: 612,963.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,126.78 : 720,166.32 = 444,403.86 : x
  2. Step 2: Convert to fraction form
    522,126.78/720,166.32 = 444,403.86/x
  3. Step 3: Cross multiply
    522,126.78x = 720,166.32 × 444,403.86
  4. Step 4: Simplify right side
    522,126.78x = 320,044,692,450.00
  5. Step 5: Solve for x
    x = 320,044,692,450.00/522,126.78
  6. Step 6: Final answer
    x = 612,963.56

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1.5x scale

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.