Home / 827,357.19-1,239,887.61-376,977.39

Finding the Fourth Proportional to 827,357.19, 1,239,887.61 and 376,977.39

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Solution

The fourth proportional to 827,357.19, 1,239,887.61 and 376,977.39 is: 564,942.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,357.19 : 1,239,887.61 = 376,977.39 : x
  2. Step 2: Convert to fraction form
    827,357.19/1,239,887.61 = 376,977.39/x
  3. Step 3: Cross multiply
    827,357.19x = 1,239,887.61 × 376,977.39
  4. Step 4: Simplify right side
    827,357.19x = 467,409,595,111.14
  5. Step 5: Solve for x
    x = 467,409,595,111.14/827,357.19
  6. Step 6: Final answer
    x = 564,942.93

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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.