Finding the Fourth Proportional to 878,277.11, 1,316,399.11 and 403,967.03
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Solution
The fourth proportional to 878,277.11, 1,316,399.11 and 403,967.03 is: 605,482.97
Step by Step Solution
- Step 1: Write the proportion equation
878,277.11 : 1,316,399.11 = 403,967.03 : x - Step 2: Convert to fraction form
878,277.11/1,316,399.11 = 403,967.03/x - Step 3: Cross multiply
878,277.11x = 1,316,399.11 × 403,967.03 - Step 4: Simplify right side
878,277.11x = 531,781,831,169.43 - Step 5: Solve for x
x = 531,781,831,169.43/878,277.11 - Step 6: Final answer
x = 605,482.97
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.