Finding the Fourth Proportional to 818,921.96, 1,130,114.66 and 474,824.68
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Solution
The fourth proportional to 818,921.96, 1,130,114.66 and 474,824.68 is: 655,259.42
Step by Step Solution
- Step 1: Write the proportion equation
818,921.96 : 1,130,114.66 = 474,824.68 : x - Step 2: Convert to fraction form
818,921.96/1,130,114.66 = 474,824.68/x - Step 3: Cross multiply
818,921.96x = 1,130,114.66 × 474,824.68 - Step 4: Simplify right side
818,921.96x = 536,606,331,797.81 - Step 5: Solve for x
x = 536,606,331,797.81/818,921.96 - Step 6: Final answer
x = 655,259.42
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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.