Finding the Fourth Proportional to 839,283.75, 1,259,176.14 and 789,154.47
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Solution
The fourth proportional to 839,283.75, 1,259,176.14 and 789,154.47 is: 1,183,967.26
Step by Step Solution
- Step 1: Write the proportion equation
839,283.75 : 1,259,176.14 = 789,154.47 : x - Step 2: Convert to fraction form
839,283.75/1,259,176.14 = 789,154.47/x - Step 3: Cross multiply
839,283.75x = 1,259,176.14 × 789,154.47 - Step 4: Simplify right side
839,283.75x = 993,684,479,398.35 - Step 5: Solve for x
x = 993,684,479,398.35/839,283.75 - Step 6: Final answer
x = 1,183,967.26
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.