Home / 793,939.79-1,095,601.20-449,768.70

Finding the Fourth Proportional to 793,939.79, 1,095,601.20 and 449,768.70

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Solution

The fourth proportional to 793,939.79, 1,095,601.20 and 449,768.70 is: 620,660.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,939.79 : 1,095,601.20 = 449,768.70 : x
  2. Step 2: Convert to fraction form
    793,939.79/1,095,601.20 = 449,768.70/x
  3. Step 3: Cross multiply
    793,939.79x = 1,095,601.20 × 449,768.70
  4. Step 4: Simplify right side
    793,939.79x = 492,767,122,295.28
  5. Step 5: Solve for x
    x = 492,767,122,295.28/793,939.79
  6. Step 6: Final answer
    x = 620,660.57

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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.