Home / 846,406.56-1,269,604.08-215,314.72

Finding the Fourth Proportional to 846,406.56, 1,269,604.08 and 215,314.72

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Solution

The fourth proportional to 846,406.56, 1,269,604.08 and 215,314.72 is: 322,970.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,406.56 : 1,269,604.08 = 215,314.72 : x
  2. Step 2: Convert to fraction form
    846,406.56/1,269,604.08 = 215,314.72/x
  3. Step 3: Cross multiply
    846,406.56x = 1,269,604.08 × 215,314.72
  4. Step 4: Simplify right side
    846,406.56x = 273,364,446,996.06
  5. Step 5: Solve for x
    x = 273,364,446,996.06/846,406.56
  6. Step 6: Final answer
    x = 322,970.61

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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.