Home / 863,242.49-1,191,504.38-509,932.83

Finding the Fourth Proportional to 863,242.49, 1,191,504.38 and 509,932.83

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Solution

The fourth proportional to 863,242.49, 1,191,504.38 and 509,932.83 is: 703,843.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,242.49 : 1,191,504.38 = 509,932.83 : x
  2. Step 2: Convert to fraction form
    863,242.49/1,191,504.38 = 509,932.83/x
  3. Step 3: Cross multiply
    863,242.49x = 1,191,504.38 × 509,932.83
  4. Step 4: Simplify right side
    863,242.49x = 607,587,201,886.54
  5. Step 5: Solve for x
    x = 607,587,201,886.54/863,242.49
  6. Step 6: Final answer
    x = 703,843.02

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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.