Finding the Fourth Proportional to 992,071.09, 1,369,051.36 and 539,362.09
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Solution
The fourth proportional to 992,071.09, 1,369,051.36 and 539,362.09 is: 744,316.02
Step by Step Solution
- Step 1: Write the proportion equation
992,071.09 : 1,369,051.36 = 539,362.09 : x - Step 2: Convert to fraction form
992,071.09/1,369,051.36 = 539,362.09/x - Step 3: Cross multiply
992,071.09x = 1,369,051.36 × 539,362.09 - Step 4: Simplify right side
992,071.09x = 738,414,402,846.94 - Step 5: Solve for x
x = 738,414,402,846.94/992,071.09 - Step 6: Final answer
x = 744,316.02
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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.