Home / 860,083.20-1,186,917.86-472,922.96

Finding the Fourth Proportional to 860,083.20, 1,186,917.86 and 472,922.96

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Solution

The fourth proportional to 860,083.20, 1,186,917.86 and 472,922.96 is: 652,635.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,083.20 : 1,186,917.86 = 472,922.96 : x
  2. Step 2: Convert to fraction form
    860,083.20/1,186,917.86 = 472,922.96/x
  3. Step 3: Cross multiply
    860,083.20x = 1,186,917.86 × 472,922.96
  4. Step 4: Simplify right side
    860,083.20x = 561,320,708,093.33
  5. Step 5: Solve for x
    x = 561,320,708,093.33/860,083.20
  6. Step 6: Final answer
    x = 652,635.36

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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.