Home / 846,553.52-1,269,869.16-215,472.80

Finding the Fourth Proportional to 846,553.52, 1,269,869.16 and 215,472.80

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Solution

The fourth proportional to 846,553.52, 1,269,869.16 and 215,472.80 is: 323,219.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,553.52 : 1,269,869.16 = 215,472.80 : x
  2. Step 2: Convert to fraction form
    846,553.52/1,269,869.16 = 215,472.80/x
  3. Step 3: Cross multiply
    846,553.52x = 1,269,869.16 × 215,472.80
  4. Step 4: Simplify right side
    846,553.52x = 273,622,263,538.85
  5. Step 5: Solve for x
    x = 273,622,263,538.85/846,553.52
  6. Step 6: Final answer
    x = 323,219.10

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1.5x scale

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.