Home / 874,078.61-1,310,993.33-275,024.21

Finding the Fourth Proportional to 874,078.61, 1,310,993.33 and 275,024.21

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Solution

The fourth proportional to 874,078.61, 1,310,993.33 and 275,024.21 is: 412,497.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,078.61 : 1,310,993.33 = 275,024.21 : x
  2. Step 2: Convert to fraction form
    874,078.61/1,310,993.33 = 275,024.21/x
  3. Step 3: Cross multiply
    874,078.61x = 1,310,993.33 × 275,024.21
  4. Step 4: Simplify right side
    874,078.61x = 360,554,896,968.43
  5. Step 5: Solve for x
    x = 360,554,896,968.43/874,078.61
  6. Step 6: Final answer
    x = 412,497.11

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1.5x scale

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.