Home / 839,790.65-1,260,413.89-440,713.37

Finding the Fourth Proportional to 839,790.65, 1,260,413.89 and 440,713.37

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Solution

The fourth proportional to 839,790.65, 1,260,413.89 and 440,713.37 is: 661,452.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,790.65 : 1,260,413.89 = 440,713.37 : x
  2. Step 2: Convert to fraction form
    839,790.65/1,260,413.89 = 440,713.37/x
  3. Step 3: Cross multiply
    839,790.65x = 1,260,413.89 × 440,713.37
  4. Step 4: Simplify right side
    839,790.65x = 555,481,245,652.86
  5. Step 5: Solve for x
    x = 555,481,245,652.86/839,790.65
  6. Step 6: Final answer
    x = 661,452.05

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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.