Home / 853,466.64-1,279,918.54-284,691.00

Finding the Fourth Proportional to 853,466.64, 1,279,918.54 and 284,691.00

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Solution

The fourth proportional to 853,466.64, 1,279,918.54 and 284,691.00 is: 426,942.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,466.64 : 1,279,918.54 = 284,691.00 : x
  2. Step 2: Convert to fraction form
    853,466.64/1,279,918.54 = 284,691.00/x
  3. Step 3: Cross multiply
    853,466.64x = 1,279,918.54 × 284,691.00
  4. Step 4: Simplify right side
    853,466.64x = 364,381,294,226.70
  5. Step 5: Solve for x
    x = 364,381,294,226.70/853,466.64
  6. Step 6: Final answer
    x = 426,942.63

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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.