Finding the Fourth Proportional to 729,946.96, 1,007,316.84 and 407,662.72
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Solution
The fourth proportional to 729,946.96, 1,007,316.84 and 407,662.72 is: 562,568.99
Step by Step Solution
- Step 1: Write the proportion equation
729,946.96 : 1,007,316.84 = 407,662.72 : x - Step 2: Convert to fraction form
729,946.96/1,007,316.84 = 407,662.72/x - Step 3: Cross multiply
729,946.96x = 1,007,316.84 × 407,662.72 - Step 4: Simplify right side
729,946.96x = 410,645,522,896.21 - Step 5: Solve for x
x = 410,645,522,896.21/729,946.96 - Step 6: Final answer
x = 562,568.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.