Home / 854,604.14-1,179,222.68-491,957.93

Finding the Fourth Proportional to 854,604.14, 1,179,222.68 and 491,957.93

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Solution

The fourth proportional to 854,604.14, 1,179,222.68 and 491,957.93 is: 678,826.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,604.14 : 1,179,222.68 = 491,957.93 : x
  2. Step 2: Convert to fraction form
    854,604.14/1,179,222.68 = 491,957.93/x
  3. Step 3: Cross multiply
    854,604.14x = 1,179,222.68 × 491,957.93
  4. Step 4: Simplify right side
    854,604.14x = 580,127,948,661.85
  5. Step 5: Solve for x
    x = 580,127,948,661.85/854,604.14
  6. Step 6: Final answer
    x = 678,826.51

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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.