Finding the Fourth Proportional to 678,344.29, 1,017,539.28 and 341,201.13
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Solution
The fourth proportional to 678,344.29, 1,017,539.28 and 341,201.13 is: 511,813.19
Step by Step Solution
- Step 1: Write the proportion equation
678,344.29 : 1,017,539.28 = 341,201.13 : x - Step 2: Convert to fraction form
678,344.29/1,017,539.28 = 341,201.13/x - Step 3: Cross multiply
678,344.29x = 1,017,539.28 × 341,201.13 - Step 4: Simplify right side
678,344.29x = 347,185,552,155.39 - Step 5: Solve for x
x = 347,185,552,155.39/678,344.29 - Step 6: Final answer
x = 511,813.19
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.