Home / 654,661.08-982,088.86-205,418.92

Finding the Fourth Proportional to 654,661.08, 982,088.86 and 205,418.92

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Solution

The fourth proportional to 654,661.08, 982,088.86 and 205,418.92 is: 308,158.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,661.08 : 982,088.86 = 205,418.92 : x
  2. Step 2: Convert to fraction form
    654,661.08/982,088.86 = 205,418.92/x
  3. Step 3: Cross multiply
    654,661.08x = 982,088.86 × 205,418.92
  4. Step 4: Simplify right side
    654,661.08x = 201,739,632,965.23
  5. Step 5: Solve for x
    x = 201,739,632,965.23/654,661.08
  6. Step 6: Final answer
    x = 308,158.89

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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.