Finding the Fourth Proportional to 522,770.24, 722,403.60 and 427,242.08
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Solution
The fourth proportional to 522,770.24, 722,403.60 and 427,242.08 is: 590,395.54
Step by Step Solution
- Step 1: Write the proportion equation
522,770.24 : 722,403.60 = 427,242.08 : x - Step 2: Convert to fraction form
522,770.24/722,403.60 = 427,242.08/x - Step 3: Cross multiply
522,770.24x = 722,403.60 × 427,242.08 - Step 4: Simplify right side
522,770.24x = 308,641,216,663.49 - Step 5: Solve for x
x = 308,641,216,663.49/522,770.24 - Step 6: Final answer
x = 590,395.54
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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.