Finding the Fourth Proportional to 669,397.73, 923,537.99 and 427,821.71
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Solution
The fourth proportional to 669,397.73, 923,537.99 and 427,821.71 is: 590,246.40
Step by Step Solution
- Step 1: Write the proportion equation
669,397.73 : 923,537.99 = 427,821.71 : x - Step 2: Convert to fraction form
669,397.73/923,537.99 = 427,821.71/x - Step 3: Cross multiply
669,397.73x = 923,537.99 × 427,821.71 - Step 4: Simplify right side
669,397.73x = 395,109,598,583.63 - Step 5: Solve for x
x = 395,109,598,583.63/669,397.73 - Step 6: Final answer
x = 590,246.40
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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.