Home / 740,013.85-1,109,340.37-266,583.43

Finding the Fourth Proportional to 740,013.85, 1,109,340.37 and 266,583.43

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Solution

The fourth proportional to 740,013.85, 1,109,340.37 and 266,583.43 is: 399,630.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,013.85 : 1,109,340.37 = 266,583.43 : x
  2. Step 2: Convert to fraction form
    740,013.85/1,109,340.37 = 266,583.43/x
  3. Step 3: Cross multiply
    740,013.85x = 1,109,340.37 × 266,583.43
  4. Step 4: Simplify right side
    740,013.85x = 295,731,760,872.07
  5. Step 5: Solve for x
    x = 295,731,760,872.07/740,013.85
  6. Step 6: Final answer
    x = 399,630.04

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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.