Home / 662,273.06-993,409.70-212,984.09

Finding the Fourth Proportional to 662,273.06, 993,409.70 and 212,984.09

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Solution

The fourth proportional to 662,273.06, 993,409.70 and 212,984.09 is: 319,476.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,273.06 : 993,409.70 = 212,984.09 : x
  2. Step 2: Convert to fraction form
    662,273.06/993,409.70 = 212,984.09/x
  3. Step 3: Cross multiply
    662,273.06x = 993,409.70 × 212,984.09
  4. Step 4: Simplify right side
    662,273.06x = 211,580,454,919.70
  5. Step 5: Solve for x
    x = 211,580,454,919.70/662,273.06
  6. Step 6: Final answer
    x = 319,476.16

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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.