Home / 874,541.74-1,311,923.36-341,993.57

Finding the Fourth Proportional to 874,541.74, 1,311,923.36 and 341,993.57

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Solution

The fourth proportional to 874,541.74, 1,311,923.36 and 341,993.57 is: 513,033.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,541.74 : 1,311,923.36 = 341,993.57 : x
  2. Step 2: Convert to fraction form
    874,541.74/1,311,923.36 = 341,993.57/x
  3. Step 3: Cross multiply
    874,541.74x = 1,311,923.36 × 341,993.57
  4. Step 4: Simplify right side
    874,541.74x = 448,669,350,476.09
  5. Step 5: Solve for x
    x = 448,669,350,476.09/874,541.74
  6. Step 6: Final answer
    x = 513,033.66

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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.