Home / 854,324.20-1,179,750.18-685,792.36

Finding the Fourth Proportional to 854,324.20, 1,179,750.18 and 685,792.36

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Solution

The fourth proportional to 854,324.20, 1,179,750.18 and 685,792.36 is: 947,021.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,324.20 : 1,179,750.18 = 685,792.36 : x
  2. Step 2: Convert to fraction form
    854,324.20/1,179,750.18 = 685,792.36/x
  3. Step 3: Cross multiply
    854,324.20x = 1,179,750.18 × 685,792.36
  4. Step 4: Simplify right side
    854,324.20x = 809,063,660,152.63
  5. Step 5: Solve for x
    x = 809,063,660,152.63/854,324.20
  6. Step 6: Final answer
    x = 947,021.82

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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.