Home / 860,967.63-1,188,059.81-479,015.37

Finding the Fourth Proportional to 860,967.63, 1,188,059.81 and 479,015.37

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Solution

The fourth proportional to 860,967.63, 1,188,059.81 and 479,015.37 is: 660,999.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,967.63 : 1,188,059.81 = 479,015.37 : x
  2. Step 2: Convert to fraction form
    860,967.63/1,188,059.81 = 479,015.37/x
  3. Step 3: Cross multiply
    860,967.63x = 1,188,059.81 × 479,015.37
  4. Step 4: Simplify right side
    860,967.63x = 569,098,907,074.20
  5. Step 5: Solve for x
    x = 569,098,907,074.20/860,967.63
  6. Step 6: Final answer
    x = 660,999.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.