Home / 382,766.10-528,213.06-210,680.34

Finding the Fourth Proportional to 382,766.10, 528,213.06 and 210,680.34

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Solution

The fourth proportional to 382,766.10, 528,213.06 and 210,680.34 is: 290,736.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,766.10 : 528,213.06 = 210,680.34 : x
  2. Step 2: Convert to fraction form
    382,766.10/528,213.06 = 210,680.34/x
  3. Step 3: Cross multiply
    382,766.10x = 528,213.06 × 210,680.34
  4. Step 4: Simplify right side
    382,766.10x = 111,284,107,073.24
  5. Step 5: Solve for x
    x = 111,284,107,073.24/382,766.10
  6. Step 6: Final answer
    x = 290,736.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.