Home / 526,651.56-789,977.34-289,872.36

Finding the Fourth Proportional to 526,651.56, 789,977.34 and 289,872.36

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Solution

The fourth proportional to 526,651.56, 789,977.34 and 289,872.36 is: 434,808.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,651.56 : 789,977.34 = 289,872.36 : x
  2. Step 2: Convert to fraction form
    526,651.56/789,977.34 = 289,872.36/x
  3. Step 3: Cross multiply
    526,651.56x = 789,977.34 × 289,872.36
  4. Step 4: Simplify right side
    526,651.56x = 228,992,595,892.32
  5. Step 5: Solve for x
    x = 228,992,595,892.32/526,651.56
  6. Step 6: Final answer
    x = 434,808.54

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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.