Home / 654,071.20-981,485.16-274,961.92

Finding the Fourth Proportional to 654,071.20, 981,485.16 and 274,961.92

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Solution

The fourth proportional to 654,071.20, 981,485.16 and 274,961.92 is: 412,601.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,071.20 : 981,485.16 = 274,961.92 : x
  2. Step 2: Convert to fraction form
    654,071.20/981,485.16 = 274,961.92/x
  3. Step 3: Cross multiply
    654,071.20x = 981,485.16 × 274,961.92
  4. Step 4: Simplify right side
    654,071.20x = 269,871,044,045.11
  5. Step 5: Solve for x
    x = 269,871,044,045.11/654,071.20
  6. Step 6: Final answer
    x = 412,601.94

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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.