Home / 866,797.27-1,299,872.61-298,017.33

Finding the Fourth Proportional to 866,797.27, 1,299,872.61 and 298,017.33

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Solution

The fourth proportional to 866,797.27, 1,299,872.61 and 298,017.33 is: 446,914.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,797.27 : 1,299,872.61 = 298,017.33 : x
  2. Step 2: Convert to fraction form
    866,797.27/1,299,872.61 = 298,017.33/x
  3. Step 3: Cross multiply
    866,797.27x = 1,299,872.61 × 298,017.33
  4. Step 4: Simplify right side
    866,797.27x = 387,384,559,697.81
  5. Step 5: Solve for x
    x = 387,384,559,697.81/866,797.27
  6. Step 6: Final answer
    x = 446,914.84

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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.