Home / 687,258-1,030,906.44-188,622

Finding the Fourth Proportional to 687,258, 1,030,906.44 and 188,622

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Solution

The fourth proportional to 687,258, 1,030,906.44 and 188,622 is: 282,938.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,258 : 1,030,906.44 = 188,622 : x
  2. Step 2: Convert to fraction form
    687,258/1,030,906.44 = 188,622/x
  3. Step 3: Cross multiply
    687,258x = 1,030,906.44 × 188,622
  4. Step 4: Simplify right side
    687,258x = 194,451,634,525.68
  5. Step 5: Solve for x
    x = 194,451,634,525.68/687,258
  6. Step 6: Final answer
    x = 282,938.34

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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.