Home / 908,323.43-1,253,487.49-494,858.16

Finding the Fourth Proportional to 908,323.43, 1,253,487.49 and 494,858.16

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Solution

The fourth proportional to 908,323.43, 1,253,487.49 and 494,858.16 is: 682,904.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,323.43 : 1,253,487.49 = 494,858.16 : x
  2. Step 2: Convert to fraction form
    908,323.43/1,253,487.49 = 494,858.16/x
  3. Step 3: Cross multiply
    908,323.43x = 1,253,487.49 × 494,858.16
  4. Step 4: Simplify right side
    908,323.43x = 620,298,511,647.27
  5. Step 5: Solve for x
    x = 620,298,511,647.27/908,323.43
  6. Step 6: Final answer
    x = 682,904.89

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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.