Home / 759,287.01-1,138,499.19-309,481.05

Finding the Fourth Proportional to 759,287.01, 1,138,499.19 and 309,481.05

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Solution

The fourth proportional to 759,287.01, 1,138,499.19 and 309,481.05 is: 464,045.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,287.01 : 1,138,499.19 = 309,481.05 : x
  2. Step 2: Convert to fraction form
    759,287.01/1,138,499.19 = 309,481.05/x
  3. Step 3: Cross multiply
    759,287.01x = 1,138,499.19 × 309,481.05
  4. Step 4: Simplify right side
    759,287.01x = 352,343,924,745.35
  5. Step 5: Solve for x
    x = 352,343,924,745.35/759,287.01
  6. Step 6: Final answer
    x = 464,045.77

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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.