Home / 824,554.22-1,236,813.81-225,515.39

Finding the Fourth Proportional to 824,554.22, 1,236,813.81 and 225,515.39

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Solution

The fourth proportional to 824,554.22, 1,236,813.81 and 225,515.39 is: 338,268.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,554.22 : 1,236,813.81 = 225,515.39 : x
  2. Step 2: Convert to fraction form
    824,554.22/1,236,813.81 = 225,515.39/x
  3. Step 3: Cross multiply
    824,554.22x = 1,236,813.81 × 225,515.39
  4. Step 4: Simplify right side
    824,554.22x = 278,920,541,689.78
  5. Step 5: Solve for x
    x = 278,920,541,689.78/824,554.22
  6. Step 6: Final answer
    x = 338,268.29

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1.5x scale

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.