Home / 742,875.21-1,114,755.48-269,597.48

Finding the Fourth Proportional to 742,875.21, 1,114,755.48 and 269,597.48

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Solution

The fourth proportional to 742,875.21, 1,114,755.48 and 269,597.48 is: 404,556.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,875.21 : 1,114,755.48 = 269,597.48 : x
  2. Step 2: Convert to fraction form
    742,875.21/1,114,755.48 = 269,597.48/x
  3. Step 3: Cross multiply
    742,875.21x = 1,114,755.48 × 269,597.48
  4. Step 4: Simplify right side
    742,875.21x = 300,535,262,650.41
  5. Step 5: Solve for x
    x = 300,535,262,650.41/742,875.21
  6. Step 6: Final answer
    x = 404,556.86

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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.