Finding the Fourth Proportional to 694,334.08, 958,135.80 and 388,357.48
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Solution
The fourth proportional to 694,334.08, 958,135.80 and 388,357.48 is: 535,908.02
Step by Step Solution
- Step 1: Write the proportion equation
694,334.08 : 958,135.80 = 388,357.48 : x - Step 2: Convert to fraction form
694,334.08/958,135.80 = 388,357.48/x - Step 3: Cross multiply
694,334.08x = 958,135.80 × 388,357.48 - Step 4: Simplify right side
694,334.08x = 372,099,204,785.78 - Step 5: Solve for x
x = 372,099,204,785.78/694,334.08 - Step 6: Final answer
x = 535,908.02
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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.