Finding the Fourth Proportional to 814,616.68, 1,222,818.92 and 647,213.08
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Solution
The fourth proportional to 814,616.68, 1,222,818.92 and 647,213.08 is: 971,529.82
Step by Step Solution
- Step 1: Write the proportion equation
814,616.68 : 1,222,818.92 = 647,213.08 : x - Step 2: Convert to fraction form
814,616.68/1,222,818.92 = 647,213.08/x - Step 3: Cross multiply
814,616.68x = 1,222,818.92 × 647,213.08 - Step 4: Simplify right side
814,616.68x = 791,424,399,495.47 - Step 5: Solve for x
x = 791,424,399,495.47/814,616.68 - Step 6: Final answer
x = 971,529.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.