Finding the Fourth Proportional to 918,975.34, 1,268,244.03 and 516,593.26
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Solution
The fourth proportional to 918,975.34, 1,268,244.03 and 516,593.26 is: 712,931.34
Step by Step Solution
- Step 1: Write the proportion equation
918,975.34 : 1,268,244.03 = 516,593.26 : x - Step 2: Convert to fraction form
918,975.34/1,268,244.03 = 516,593.26/x - Step 3: Cross multiply
918,975.34x = 1,268,244.03 × 516,593.26 - Step 4: Simplify right side
918,975.34x = 655,166,317,933.24 - Step 5: Solve for x
x = 655,166,317,933.24/918,975.34 - Step 6: Final answer
x = 712,931.34
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.