Home / 860,744.77-1,291,189.43-261,711.14

Finding the Fourth Proportional to 860,744.77, 1,291,189.43 and 261,711.14

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Solution

The fourth proportional to 860,744.77, 1,291,189.43 and 261,711.14 is: 392,588.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,744.77 : 1,291,189.43 = 261,711.14 : x
  2. Step 2: Convert to fraction form
    860,744.77/1,291,189.43 = 261,711.14/x
  3. Step 3: Cross multiply
    860,744.77x = 1,291,189.43 × 261,711.14
  4. Step 4: Simplify right side
    860,744.77x = 337,918,651,879.58
  5. Step 5: Solve for x
    x = 337,918,651,879.58/860,744.77
  6. Step 6: Final answer
    x = 392,588.68

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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.