Finding the Fourth Proportional to 879,241.68, 1,213,362 and 516,673.68
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Solution
The fourth proportional to 879,241.68, 1,213,362 and 516,673.68 is: 713,014.66
Step by Step Solution
- Step 1: Write the proportion equation
879,241.68 : 1,213,362 = 516,673.68 : x - Step 2: Convert to fraction form
879,241.68/1,213,362 = 516,673.68/x - Step 3: Cross multiply
879,241.68x = 1,213,362 × 516,673.68 - Step 4: Simplify right side
879,241.68x = 626,912,209,712.16 - Step 5: Solve for x
x = 626,912,209,712.16/879,241.68 - Step 6: Final answer
x = 713,014.66
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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.