Home / 839,910.70-1,259,866.05-629,958.70

Finding the Fourth Proportional to 839,910.70, 1,259,866.05 and 629,958.70

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Solution

The fourth proportional to 839,910.70, 1,259,866.05 and 629,958.70 is: 944,938.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,910.70 : 1,259,866.05 = 629,958.70 : x
  2. Step 2: Convert to fraction form
    839,910.70/1,259,866.05 = 629,958.70/x
  3. Step 3: Cross multiply
    839,910.70x = 1,259,866.05 × 629,958.70
  4. Step 4: Simplify right side
    839,910.70x = 793,663,579,032.14
  5. Step 5: Solve for x
    x = 793,663,579,032.14/839,910.70
  6. Step 6: Final answer
    x = 944,938.05

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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.