Finding the Fourth Proportional to 763,399.36, 1,150,460.80 and 687,593.08
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Solution
The fourth proportional to 763,399.36, 1,150,460.80 and 687,593.08 is: 1,036,218.95
Step by Step Solution
- Step 1: Write the proportion equation
763,399.36 : 1,150,460.80 = 687,593.08 : x - Step 2: Convert to fraction form
763,399.36/1,150,460.80 = 687,593.08/x - Step 3: Cross multiply
763,399.36x = 1,150,460.80 × 687,593.08 - Step 4: Simplify right side
763,399.36x = 791,048,884,891.26 - Step 5: Solve for x
x = 791,048,884,891.26/763,399.36 - Step 6: Final answer
x = 1,036,218.95
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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.