Finding the Fourth Proportional to 992,157.06, 1,369,167.12 and 539,448.06
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Solution
The fourth proportional to 992,157.06, 1,369,167.12 and 539,448.06 is: 744,433.09
Step by Step Solution
- Step 1: Write the proportion equation
992,157.06 : 1,369,167.12 = 539,448.06 : x - Step 2: Convert to fraction form
992,157.06/1,369,167.12 = 539,448.06/x - Step 3: Cross multiply
992,157.06x = 1,369,167.12 × 539,448.06 - Step 4: Simplify right side
992,157.06x = 738,594,546,699.79 - Step 5: Solve for x
x = 738,594,546,699.79/992,157.06 - Step 6: Final answer
x = 744,433.09
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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.