Home / 847,767.43-1,271,647.90-216,680.23

Finding the Fourth Proportional to 847,767.43, 1,271,647.90 and 216,680.23

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Solution

The fourth proportional to 847,767.43, 1,271,647.90 and 216,680.23 is: 325,019.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,767.43 : 1,271,647.90 = 216,680.23 : x
  2. Step 2: Convert to fraction form
    847,767.43/1,271,647.90 = 216,680.23/x
  3. Step 3: Cross multiply
    847,767.43x = 1,271,647.90 × 216,680.23
  4. Step 4: Simplify right side
    847,767.43x = 275,540,959,451.02
  5. Step 5: Solve for x
    x = 275,540,959,451.02/847,767.43
  6. Step 6: Final answer
    x = 325,019.52

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Double scale
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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.