Finding the Fourth Proportional to 509,616.73, 703,213.94 and 305,675.94
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Solution
The fourth proportional to 509,616.73, 703,213.94 and 305,675.94 is: 421,798.52
Step by Step Solution
- Step 1: Write the proportion equation
509,616.73 : 703,213.94 = 305,675.94 : x - Step 2: Convert to fraction form
509,616.73/703,213.94 = 305,675.94/x - Step 3: Cross multiply
509,616.73x = 703,213.94 × 305,675.94 - Step 4: Simplify right side
509,616.73x = 214,955,582,894.79 - Step 5: Solve for x
x = 214,955,582,894.79/509,616.73 - Step 6: Final answer
x = 421,798.52
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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.