Home / 780,583.56-1,077,086.34-440,927.88

Finding the Fourth Proportional to 780,583.56, 1,077,086.34 and 440,927.88

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Solution

The fourth proportional to 780,583.56, 1,077,086.34 and 440,927.88 is: 608,413.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,583.56 : 1,077,086.34 = 440,927.88 : x
  2. Step 2: Convert to fraction form
    780,583.56/1,077,086.34 = 440,927.88/x
  3. Step 3: Cross multiply
    780,583.56x = 1,077,086.34 × 440,927.88
  4. Step 4: Simplify right side
    780,583.56x = 474,917,396,473.16
  5. Step 5: Solve for x
    x = 474,917,396,473.16/780,583.56
  6. Step 6: Final answer
    x = 608,413.27

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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.