Home / 915,958.70-1,373,941.56-383,105.94

Finding the Fourth Proportional to 915,958.70, 1,373,941.56 and 383,105.94

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Solution

The fourth proportional to 915,958.70, 1,373,941.56 and 383,105.94 is: 574,660.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,958.70 : 1,373,941.56 = 383,105.94 : x
  2. Step 2: Convert to fraction form
    915,958.70/1,373,941.56 = 383,105.94/x
  3. Step 3: Cross multiply
    915,958.70x = 1,373,941.56 × 383,105.94
  4. Step 4: Simplify right side
    915,958.70x = 526,365,172,848.87
  5. Step 5: Solve for x
    x = 526,365,172,848.87/915,958.70
  6. Step 6: Final answer
    x = 574,660.38

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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.