Finding the Fourth Proportional to 838,735.08, 1,257,117.12 and 388,504.68
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Solution
The fourth proportional to 838,735.08, 1,257,117.12 and 388,504.68 is: 582,300.53
Step by Step Solution
- Step 1: Write the proportion equation
838,735.08 : 1,257,117.12 = 388,504.68 : x - Step 2: Convert to fraction form
838,735.08/1,257,117.12 = 388,504.68/x - Step 3: Cross multiply
838,735.08x = 1,257,117.12 × 388,504.68 - Step 4: Simplify right side
838,735.08x = 488,395,884,428.12 - Step 5: Solve for x
x = 488,395,884,428.12/838,735.08 - Step 6: Final answer
x = 582,300.53
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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.