Home / 871,804.27-1,306,464.31-642,294.84

Finding the Fourth Proportional to 871,804.27, 1,306,464.31 and 642,294.84

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Solution

The fourth proportional to 871,804.27, 1,306,464.31 and 642,294.84 is: 962,527.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,804.27 : 1,306,464.31 = 642,294.84 : x
  2. Step 2: Convert to fraction form
    871,804.27/1,306,464.31 = 642,294.84/x
  3. Step 3: Cross multiply
    871,804.27x = 1,306,464.31 × 642,294.84
  4. Step 4: Simplify right side
    871,804.27x = 839,135,288,791.29
  5. Step 5: Solve for x
    x = 839,135,288,791.29/871,804.27
  6. Step 6: Final answer
    x = 962,527.17

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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.