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Finding the Fourth Proportional to 850,699.60, 1,275,324.60 and 377,126.80

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Solution

The fourth proportional to 850,699.60, 1,275,324.60 and 377,126.80 is: 565,368.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,699.60 : 1,275,324.60 = 377,126.80 : x
  2. Step 2: Convert to fraction form
    850,699.60/1,275,324.60 = 377,126.80/x
  3. Step 3: Cross multiply
    850,699.60x = 1,275,324.60 × 377,126.80
  4. Step 4: Simplify right side
    850,699.60x = 480,959,085,359.28
  5. Step 5: Solve for x
    x = 480,959,085,359.28/850,699.60
  6. Step 6: Final answer
    x = 565,368.89

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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.