Finding the Fourth Proportional to 713,181.42, 984,177.68 and 422,988.39
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Solution
The fourth proportional to 713,181.42, 984,177.68 and 422,988.39 is: 583,716.45
Step by Step Solution
- Step 1: Write the proportion equation
713,181.42 : 984,177.68 = 422,988.39 : x - Step 2: Convert to fraction form
713,181.42/984,177.68 = 422,988.39/x - Step 3: Cross multiply
713,181.42x = 984,177.68 × 422,988.39 - Step 4: Simplify right side
713,181.42x = 416,295,730,222.19 - Step 5: Solve for x
x = 416,295,730,222.19/713,181.42 - Step 6: Final answer
x = 583,716.45
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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.