Home / 726,258.03-1,089,387.14-193,781.04

Finding the Fourth Proportional to 726,258.03, 1,089,387.14 and 193,781.04

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Solution

The fourth proportional to 726,258.03, 1,089,387.14 and 193,781.04 is: 290,671.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,258.03 : 1,089,387.14 = 193,781.04 : x
  2. Step 2: Convert to fraction form
    726,258.03/1,089,387.14 = 193,781.04/x
  3. Step 3: Cross multiply
    726,258.03x = 1,089,387.14 × 193,781.04
  4. Step 4: Simplify right side
    726,258.03x = 211,102,572,951.83
  5. Step 5: Solve for x
    x = 211,102,572,951.83/726,258.03
  6. Step 6: Final answer
    x = 290,671.59

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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.