Finding the Fourth Proportional to 554,589.17, 764,639.57 and 462,840.42
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Solution
The fourth proportional to 554,589.17, 764,639.57 and 462,840.42 is: 638,141.02
Step by Step Solution
- Step 1: Write the proportion equation
554,589.17 : 764,639.57 = 462,840.42 : x - Step 2: Convert to fraction form
554,589.17/764,639.57 = 462,840.42/x - Step 3: Cross multiply
554,589.17x = 764,639.57 × 462,840.42 - Step 4: Simplify right side
554,589.17x = 353,906,097,413.22 - Step 5: Solve for x
x = 353,906,097,413.22/554,589.17 - Step 6: Final answer
x = 638,141.02
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1.5x scale
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.