Home / 894,108.42-1,233,820.49-486,209.84

Finding the Fourth Proportional to 894,108.42, 1,233,820.49 and 486,209.84

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Solution

The fourth proportional to 894,108.42, 1,233,820.49 and 486,209.84 is: 670,942.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,108.42 : 1,233,820.49 = 486,209.84 : x
  2. Step 2: Convert to fraction form
    894,108.42/1,233,820.49 = 486,209.84/x
  3. Step 3: Cross multiply
    894,108.42x = 1,233,820.49 × 486,209.84
  4. Step 4: Simplify right side
    894,108.42x = 599,895,654,431.47
  5. Step 5: Solve for x
    x = 599,895,654,431.47/894,108.42
  6. Step 6: Final answer
    x = 670,942.85

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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.