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Finding the Fourth Proportional to 892,272.92, 1,230,404.99 and 529,627.01

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Solution

The fourth proportional to 892,272.92, 1,230,404.99 and 529,627.01 is: 730,332.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,272.92 : 1,230,404.99 = 529,627.01 : x
  2. Step 2: Convert to fraction form
    892,272.92/1,230,404.99 = 529,627.01/x
  3. Step 3: Cross multiply
    892,272.92x = 1,230,404.99 × 529,627.01
  4. Step 4: Simplify right side
    892,272.92x = 651,655,707,142.62
  5. Step 5: Solve for x
    x = 651,655,707,142.62/892,272.92
  6. Step 6: Final answer
    x = 730,332.27

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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.