Home / 853,699.90-1,280,614.65-254,614.30

Finding the Fourth Proportional to 853,699.90, 1,280,614.65 and 254,614.30

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Solution

The fourth proportional to 853,699.90, 1,280,614.65 and 254,614.30 is: 381,940.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,699.90 : 1,280,614.65 = 254,614.30 : x
  2. Step 2: Convert to fraction form
    853,699.90/1,280,614.65 = 254,614.30/x
  3. Step 3: Cross multiply
    853,699.90x = 1,280,614.65 × 254,614.30
  4. Step 4: Simplify right side
    853,699.90x = 326,062,802,679.50
  5. Step 5: Solve for x
    x = 326,062,802,679.50/853,699.90
  6. Step 6: Final answer
    x = 381,940.78

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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.