Home / 899,889.94-1,350,498.03-426,573.46

Finding the Fourth Proportional to 899,889.94, 1,350,498.03 and 426,573.46

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Solution

The fourth proportional to 899,889.94, 1,350,498.03 and 426,573.46 is: 640,174.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,889.94 : 1,350,498.03 = 426,573.46 : x
  2. Step 2: Convert to fraction form
    899,889.94/1,350,498.03 = 426,573.46/x
  3. Step 3: Cross multiply
    899,889.94x = 1,350,498.03 × 426,573.46
  4. Step 4: Simplify right side
    899,889.94x = 576,086,617,380.28
  5. Step 5: Solve for x
    x = 576,086,617,380.28/899,889.94
  6. Step 6: Final answer
    x = 640,174.53

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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.