Finding the Fourth Proportional to 989,212.14, 1,365,058.71 and 559,578.42
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Solution
The fourth proportional to 989,212.14, 1,365,058.71 and 559,578.42 is: 772,187.65
Step by Step Solution
- Step 1: Write the proportion equation
989,212.14 : 1,365,058.71 = 559,578.42 : x - Step 2: Convert to fraction form
989,212.14/1,365,058.71 = 559,578.42/x - Step 3: Cross multiply
989,212.14x = 1,365,058.71 × 559,578.42 - Step 4: Simplify right side
989,212.14x = 763,857,396,149.04 - Step 5: Solve for x
x = 763,857,396,149.04/989,212.14 - Step 6: Final answer
x = 772,187.65
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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.