Home / 515,442.67-772,853.26-231,081.79

Finding the Fourth Proportional to 515,442.67, 772,853.26 and 231,081.79

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Solution

The fourth proportional to 515,442.67, 772,853.26 and 231,081.79 is: 346,483.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,442.67 : 772,853.26 = 231,081.79 : x
  2. Step 2: Convert to fraction form
    515,442.67/772,853.26 = 231,081.79/x
  3. Step 3: Cross multiply
    515,442.67x = 772,853.26 × 231,081.79
  4. Step 4: Simplify right side
    515,442.67x = 178,592,314,728.14
  5. Step 5: Solve for x
    x = 178,592,314,728.14/515,442.67
  6. Step 6: Final answer
    x = 346,483.37

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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.