Finding the Fourth Proportional to 558,506.12, 770,715.98 and 303,858.36
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Solution
The fourth proportional to 558,506.12, 770,715.98 and 303,858.36 is: 419,312.31
Step by Step Solution
- Step 1: Write the proportion equation
558,506.12 : 770,715.98 = 303,858.36 : x - Step 2: Convert to fraction form
558,506.12/770,715.98 = 303,858.36/x - Step 3: Cross multiply
558,506.12x = 770,715.98 × 303,858.36 - Step 4: Simplify right side
558,506.12x = 234,188,493,708.59 - Step 5: Solve for x
x = 234,188,493,708.59/558,506.12 - Step 6: Final answer
x = 419,312.31
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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.