Home / 800,694.14-1,104,971.69-438,149.68

Finding the Fourth Proportional to 800,694.14, 1,104,971.69 and 438,149.68

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Solution

The fourth proportional to 800,694.14, 1,104,971.69 and 438,149.68 is: 604,654.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,694.14 : 1,104,971.69 = 438,149.68 : x
  2. Step 2: Convert to fraction form
    800,694.14/1,104,971.69 = 438,149.68/x
  3. Step 3: Cross multiply
    800,694.14x = 1,104,971.69 × 438,149.68
  4. Step 4: Simplify right side
    800,694.14x = 484,142,990,715.50
  5. Step 5: Solve for x
    x = 484,142,990,715.50/800,694.14
  6. Step 6: Final answer
    x = 604,654.10

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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.