Finding the Fourth Proportional to 945,607.67, 1,304,893.09 and 515,862.17
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Solution
The fourth proportional to 945,607.67, 1,304,893.09 and 515,862.17 is: 711,864.98
Step by Step Solution
- Step 1: Write the proportion equation
945,607.67 : 1,304,893.09 = 515,862.17 : x - Step 2: Convert to fraction form
945,607.67/1,304,893.09 = 515,862.17/x - Step 3: Cross multiply
945,607.67x = 1,304,893.09 × 515,862.17 - Step 4: Simplify right side
945,607.67x = 673,144,981,025.41 - Step 5: Solve for x
x = 673,144,981,025.41/945,607.67 - Step 6: Final answer
x = 711,864.98
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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.