Finding the Fourth Proportional to 552,355.29, 762,243.08 and 310,637.79
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Solution
The fourth proportional to 552,355.29, 762,243.08 and 310,637.79 is: 428,676.09
Step by Step Solution
- Step 1: Write the proportion equation
552,355.29 : 762,243.08 = 310,637.79 : x - Step 2: Convert to fraction form
552,355.29/762,243.08 = 310,637.79/x - Step 3: Cross multiply
552,355.29x = 762,243.08 × 310,637.79 - Step 4: Simplify right side
552,355.29x = 236,781,504,260.80 - Step 5: Solve for x
x = 236,781,504,260.80/552,355.29 - Step 6: Final answer
x = 428,676.09
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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.