Home / 894,288.64-1,341,469.44-287,138.56

Finding the Fourth Proportional to 894,288.64, 1,341,469.44 and 287,138.56

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Solution

The fourth proportional to 894,288.64, 1,341,469.44 and 287,138.56 is: 430,719.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,288.64 : 1,341,469.44 = 287,138.56 : x
  2. Step 2: Convert to fraction form
    894,288.64/1,341,469.44 = 287,138.56/x
  3. Step 3: Cross multiply
    894,288.64x = 1,341,469.44 × 287,138.56
  4. Step 4: Simplify right side
    894,288.64x = 385,187,603,285.61
  5. Step 5: Solve for x
    x = 385,187,603,285.61/894,288.64
  6. Step 6: Final answer
    x = 430,719.55

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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.