Home / 860,627.10-1,289,759.66-544,518.12

Finding the Fourth Proportional to 860,627.10, 1,289,759.66 and 544,518.12

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Solution

The fourth proportional to 860,627.10, 1,289,759.66 and 544,518.12 is: 816,029.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,627.10 : 1,289,759.66 = 544,518.12 : x
  2. Step 2: Convert to fraction form
    860,627.10/1,289,759.66 = 544,518.12/x
  3. Step 3: Cross multiply
    860,627.10x = 1,289,759.66 × 544,518.12
  4. Step 4: Simplify right side
    860,627.10x = 702,297,505,315.04
  5. Step 5: Solve for x
    x = 702,297,505,315.04/860,627.10
  6. Step 6: Final answer
    x = 816,029.97

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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.