Home / 828,419.57-1,242,890.36-295,928.81

Finding the Fourth Proportional to 828,419.57, 1,242,890.36 and 295,928.81

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Solution

The fourth proportional to 828,419.57, 1,242,890.36 and 295,928.81 is: 443,986.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,419.57 : 1,242,890.36 = 295,928.81 : x
  2. Step 2: Convert to fraction form
    828,419.57/1,242,890.36 = 295,928.81/x
  3. Step 3: Cross multiply
    828,419.57x = 1,242,890.36 × 295,928.81
  4. Step 4: Simplify right side
    828,419.57x = 367,807,065,195.27
  5. Step 5: Solve for x
    x = 367,807,065,195.27/828,419.57
  6. Step 6: Final answer
    x = 443,986.45

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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.