Home / 855,914.54-1,181,147.64-473,933.12

Finding the Fourth Proportional to 855,914.54, 1,181,147.64 and 473,933.12

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Solution

The fourth proportional to 855,914.54, 1,181,147.64 and 473,933.12 is: 654,019.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,914.54 : 1,181,147.64 = 473,933.12 : x
  2. Step 2: Convert to fraction form
    855,914.54/1,181,147.64 = 473,933.12/x
  3. Step 3: Cross multiply
    855,914.54x = 1,181,147.64 × 473,933.12
  4. Step 4: Simplify right side
    855,914.54x = 559,784,986,205.84
  5. Step 5: Solve for x
    x = 559,784,986,205.84/855,914.54
  6. Step 6: Final answer
    x = 654,019.72

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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.