Finding the Fourth Proportional to 608,596.68, 839,580.40 and 393,806.08
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Solution
The fourth proportional to 608,596.68, 839,580.40 and 393,806.08 is: 543,269.26
Step by Step Solution
- Step 1: Write the proportion equation
608,596.68 : 839,580.40 = 393,806.08 : x - Step 2: Convert to fraction form
608,596.68/839,580.40 = 393,806.08/x - Step 3: Cross multiply
608,596.68x = 839,580.40 × 393,806.08 - Step 4: Simplify right side
608,596.68x = 330,631,866,168.83 - Step 5: Solve for x
x = 330,631,866,168.83/608,596.68 - Step 6: Final answer
x = 543,269.26
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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.