Finding the Fourth Proportional to 838,736.08, 1,257,118.62 and 388,505.68
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Solution
The fourth proportional to 838,736.08, 1,257,118.62 and 388,505.68 is: 582,302.03
Step by Step Solution
- Step 1: Write the proportion equation
838,736.08 : 1,257,118.62 = 388,505.68 : x - Step 2: Convert to fraction form
838,736.08/1,257,118.62 = 388,505.68/x - Step 3: Cross multiply
838,736.08x = 1,257,118.62 × 388,505.68 - Step 4: Simplify right side
838,736.08x = 488,397,724,303.76 - Step 5: Solve for x
x = 488,397,724,303.76/838,736.08 - Step 6: Final answer
x = 582,302.03
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.