Home / 791,055.27-1,186,488.81-206,776.35

Finding the Fourth Proportional to 791,055.27, 1,186,488.81 and 206,776.35

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Solution

The fourth proportional to 791,055.27, 1,186,488.81 and 206,776.35 is: 310,139.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,055.27 : 1,186,488.81 = 206,776.35 : x
  2. Step 2: Convert to fraction form
    791,055.27/1,186,488.81 = 206,776.35/x
  3. Step 3: Cross multiply
    791,055.27x = 1,186,488.81 × 206,776.35
  4. Step 4: Simplify right side
    791,055.27x = 245,337,825,447.64
  5. Step 5: Solve for x
    x = 245,337,825,447.64/791,055.27
  6. Step 6: Final answer
    x = 310,139.93

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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.