Home / 860,811.92-1,292,026.86-450,775.54

Finding the Fourth Proportional to 860,811.92, 1,292,026.86 and 450,775.54

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Solution

The fourth proportional to 860,811.92, 1,292,026.86 and 450,775.54 is: 676,586.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,811.92 : 1,292,026.86 = 450,775.54 : x
  2. Step 2: Convert to fraction form
    860,811.92/1,292,026.86 = 450,775.54/x
  3. Step 3: Cross multiply
    860,811.92x = 1,292,026.86 × 450,775.54
  4. Step 4: Simplify right side
    860,811.92x = 582,414,096,796.99
  5. Step 5: Solve for x
    x = 582,414,096,796.99/860,811.92
  6. Step 6: Final answer
    x = 676,586.93

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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.