Home / 850,912.92-1,174,259.83-468,939.70

Finding the Fourth Proportional to 850,912.92, 1,174,259.83 and 468,939.70

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Solution

The fourth proportional to 850,912.92, 1,174,259.83 and 468,939.70 is: 647,136.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,912.92 : 1,174,259.83 = 468,939.70 : x
  2. Step 2: Convert to fraction form
    850,912.92/1,174,259.83 = 468,939.70/x
  3. Step 3: Cross multiply
    850,912.92x = 1,174,259.83 × 468,939.70
  4. Step 4: Simplify right side
    850,912.92x = 550,657,052,402.25
  5. Step 5: Solve for x
    x = 550,657,052,402.25/850,912.92
  6. Step 6: Final answer
    x = 647,136.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.