Home / 742,686.11-1,114,033.77-262,809.44

Finding the Fourth Proportional to 742,686.11, 1,114,033.77 and 262,809.44

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Solution

The fourth proportional to 742,686.11, 1,114,033.77 and 262,809.44 is: 394,215.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,686.11 : 1,114,033.77 = 262,809.44 : x
  2. Step 2: Convert to fraction form
    742,686.11/1,114,033.77 = 262,809.44/x
  3. Step 3: Cross multiply
    742,686.11x = 1,114,033.77 × 262,809.44
  4. Step 4: Simplify right side
    742,686.11x = 292,778,591,234.79
  5. Step 5: Solve for x
    x = 292,778,591,234.79/742,686.11
  6. Step 6: Final answer
    x = 394,215.79

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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.