Finding the Fourth Proportional to 902,409.06, 1,245,324.70 and 539,848.02
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Solution
The fourth proportional to 902,409.06, 1,245,324.70 and 539,848.02 is: 744,990.38
Step by Step Solution
- Step 1: Write the proportion equation
902,409.06 : 1,245,324.70 = 539,848.02 : x - Step 2: Convert to fraction form
902,409.06/1,245,324.70 = 539,848.02/x - Step 3: Cross multiply
902,409.06x = 1,245,324.70 × 539,848.02 - Step 4: Simplify right side
902,409.06x = 672,286,065,975.85 - Step 5: Solve for x
x = 672,286,065,975.85/902,409.06 - Step 6: Final answer
x = 744,990.38
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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.