Home / 908,338.69-1,253,508.58-494,873.42

Finding the Fourth Proportional to 908,338.69, 1,253,508.58 and 494,873.42

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Solution

The fourth proportional to 908,338.69, 1,253,508.58 and 494,873.42 is: 682,925.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,338.69 : 1,253,508.58 = 494,873.42 : x
  2. Step 2: Convert to fraction form
    908,338.69/1,253,508.58 = 494,873.42/x
  3. Step 3: Cross multiply
    908,338.69x = 1,253,508.58 × 494,873.42
  4. Step 4: Simplify right side
    908,338.69x = 620,328,072,334.99
  5. Step 5: Solve for x
    x = 620,328,072,334.99/908,338.69
  6. Step 6: Final answer
    x = 682,925.96

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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.