Home / 830,091.74-1,245,019.23-261,458.08

Finding the Fourth Proportional to 830,091.74, 1,245,019.23 and 261,458.08

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Solution

The fourth proportional to 830,091.74, 1,245,019.23 and 261,458.08 is: 392,149.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,091.74 : 1,245,019.23 = 261,458.08 : x
  2. Step 2: Convert to fraction form
    830,091.74/1,245,019.23 = 261,458.08/x
  3. Step 3: Cross multiply
    830,091.74x = 1,245,019.23 × 261,458.08
  4. Step 4: Simplify right side
    830,091.74x = 325,520,334,326.33
  5. Step 5: Solve for x
    x = 325,520,334,326.33/830,091.74
  6. Step 6: Final answer
    x = 392,149.83

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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.