Home / 815,927.44-1,223,890.93-254,961.94

Finding the Fourth Proportional to 815,927.44, 1,223,890.93 and 254,961.94

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Solution

The fourth proportional to 815,927.44, 1,223,890.93 and 254,961.94 is: 382,442.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,927.44 : 1,223,890.93 = 254,961.94 : x
  2. Step 2: Convert to fraction form
    815,927.44/1,223,890.93 = 254,961.94/x
  3. Step 3: Cross multiply
    815,927.44x = 1,223,890.93 × 254,961.94
  4. Step 4: Simplify right side
    815,927.44x = 312,045,605,861.20
  5. Step 5: Solve for x
    x = 312,045,605,861.20/815,927.44
  6. Step 6: Final answer
    x = 382,442.84

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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.