Finding the Fourth Proportional to 841,306.88, 1,161,105.36 and 478,818.92
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Solution
The fourth proportional to 841,306.88, 1,161,105.36 and 478,818.92 is: 660,828.09
Step by Step Solution
- Step 1: Write the proportion equation
841,306.88 : 1,161,105.36 = 478,818.92 : x - Step 2: Convert to fraction form
841,306.88/1,161,105.36 = 478,818.92/x - Step 3: Cross multiply
841,306.88x = 1,161,105.36 × 478,818.92 - Step 4: Simplify right side
841,306.88x = 555,959,214,481.41 - Step 5: Solve for x
x = 555,959,214,481.41/841,306.88 - Step 6: Final answer
x = 660,828.09
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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.