Home / 662,478.03-993,717.35-213,198.84

Finding the Fourth Proportional to 662,478.03, 993,717.35 and 213,198.84

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Solution

The fourth proportional to 662,478.03, 993,717.35 and 213,198.84 is: 319,798.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,478.03 : 993,717.35 = 213,198.84 : x
  2. Step 2: Convert to fraction form
    662,478.03/993,717.35 = 213,198.84/x
  3. Step 3: Cross multiply
    662,478.03x = 993,717.35 × 213,198.84
  4. Step 4: Simplify right side
    662,478.03x = 211,859,382,757.59
  5. Step 5: Solve for x
    x = 211,859,382,757.59/662,478.03
  6. Step 6: Final answer
    x = 319,798.36

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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.