Home / 776,930.47-1,166,486.00-398,123.44

Finding the Fourth Proportional to 776,930.47, 1,166,486.00 and 398,123.44

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Solution

The fourth proportional to 776,930.47, 1,166,486.00 and 398,123.44 is: 597,743.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,930.47 : 1,166,486.00 = 398,123.44 : x
  2. Step 2: Convert to fraction form
    776,930.47/1,166,486.00 = 398,123.44/x
  3. Step 3: Cross multiply
    776,930.47x = 1,166,486.00 × 398,123.44
  4. Step 4: Simplify right side
    776,930.47x = 464,405,414,125.01
  5. Step 5: Solve for x
    x = 464,405,414,125.01/776,930.47
  6. Step 6: Final answer
    x = 597,743.86

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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.