Home / 840,887.63-1,261,532.37-272,269.34

Finding the Fourth Proportional to 840,887.63, 1,261,532.37 and 272,269.34

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Solution

The fourth proportional to 840,887.63, 1,261,532.37 and 272,269.34 is: 408,469.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,887.63 : 1,261,532.37 = 272,269.34 : x
  2. Step 2: Convert to fraction form
    840,887.63/1,261,532.37 = 272,269.34/x
  3. Step 3: Cross multiply
    840,887.63x = 1,261,532.37 × 272,269.34
  4. Step 4: Simplify right side
    840,887.63x = 343,476,579,460.87
  5. Step 5: Solve for x
    x = 343,476,579,460.87/840,887.63
  6. Step 6: Final answer
    x = 408,469.06

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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.