Finding the Fourth Proportional to 948,678.49, 1,308,289.07 and 755,727.68
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Solution
The fourth proportional to 948,678.49, 1,308,289.07 and 755,727.68 is: 1,042,197.40
Step by Step Solution
- Step 1: Write the proportion equation
948,678.49 : 1,308,289.07 = 755,727.68 : x - Step 2: Convert to fraction form
948,678.49/1,308,289.07 = 755,727.68/x - Step 3: Cross multiply
948,678.49x = 1,308,289.07 × 755,727.68 - Step 4: Simplify right side
948,678.49x = 988,710,253,320.37 - Step 5: Solve for x
x = 988,710,253,320.37/948,678.49 - Step 6: Final answer
x = 1,042,197.40
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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.