Home / 755,600.34-1,133,550.09-215,861.34

Finding the Fourth Proportional to 755,600.34, 1,133,550.09 and 215,861.34

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Solution

The fourth proportional to 755,600.34, 1,133,550.09 and 215,861.34 is: 323,834.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,600.34 : 1,133,550.09 = 215,861.34 : x
  2. Step 2: Convert to fraction form
    755,600.34/1,133,550.09 = 215,861.34/x
  3. Step 3: Cross multiply
    755,600.34x = 1,133,550.09 × 215,861.34
  4. Step 4: Simplify right side
    755,600.34x = 244,689,641,384.52
  5. Step 5: Solve for x
    x = 244,689,641,384.52/755,600.34
  6. Step 6: Final answer
    x = 323,834.74

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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.