Home / 501,181.96-752,414.72-430,556.44

Finding the Fourth Proportional to 501,181.96, 752,414.72 and 430,556.44

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Solution

The fourth proportional to 501,181.96, 752,414.72 and 430,556.44 is: 646,386.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,181.96 : 752,414.72 = 430,556.44 : x
  2. Step 2: Convert to fraction form
    501,181.96/752,414.72 = 430,556.44/x
  3. Step 3: Cross multiply
    501,181.96x = 752,414.72 × 430,556.44
  4. Step 4: Simplify right side
    501,181.96x = 323,957,003,246.80
  5. Step 5: Solve for x
    x = 323,957,003,246.80/501,181.96
  6. Step 6: Final answer
    x = 646,386.00

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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.