Finding the Fourth Proportional to 902,471.36, 1,245,080.96 and 539,905.64
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Solution
The fourth proportional to 902,471.36, 1,245,080.96 and 539,905.64 is: 744,872.65
Step by Step Solution
- Step 1: Write the proportion equation
902,471.36 : 1,245,080.96 = 539,905.64 : x - Step 2: Convert to fraction form
902,471.36/1,245,080.96 = 539,905.64/x - Step 3: Cross multiply
902,471.36x = 1,245,080.96 × 539,905.64 - Step 4: Simplify right side
902,471.36x = 672,226,232,560.61 - Step 5: Solve for x
x = 672,226,232,560.61/902,471.36 - Step 6: Final answer
x = 744,872.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.