Home / 691,142.70-1,036,640.35-241,872.15

Finding the Fourth Proportional to 691,142.70, 1,036,640.35 and 241,872.15

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Solution

The fourth proportional to 691,142.70, 1,036,640.35 and 241,872.15 is: 362,782.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,142.70 : 1,036,640.35 = 241,872.15 : x
  2. Step 2: Convert to fraction form
    691,142.70/1,036,640.35 = 241,872.15/x
  3. Step 3: Cross multiply
    691,142.70x = 1,036,640.35 × 241,872.15
  4. Step 4: Simplify right side
    691,142.70x = 250,734,430,231.25
  5. Step 5: Solve for x
    x = 250,734,430,231.25/691,142.70
  6. Step 6: Final answer
    x = 362,782.43

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Double scale
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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.