Home / 766,018.68-1,148,843.49-339,318.59

Finding the Fourth Proportional to 766,018.68, 1,148,843.49 and 339,318.59

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Solution

The fourth proportional to 766,018.68, 1,148,843.49 and 339,318.59 is: 508,896.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,018.68 : 1,148,843.49 = 339,318.59 : x
  2. Step 2: Convert to fraction form
    766,018.68/1,148,843.49 = 339,318.59/x
  3. Step 3: Cross multiply
    766,018.68x = 1,148,843.49 × 339,318.59
  4. Step 4: Simplify right side
    766,018.68x = 389,823,947,413.26
  5. Step 5: Solve for x
    x = 389,823,947,413.26/766,018.68
  6. Step 6: Final answer
    x = 508,896.14

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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.