Finding the Fourth Proportional to 522,758.24, 722,387.04 and 427,230.08
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Solution
The fourth proportional to 522,758.24, 722,387.04 and 427,230.08 is: 590,378.97
Step by Step Solution
- Step 1: Write the proportion equation
522,758.24 : 722,387.04 = 427,230.08 : x - Step 2: Convert to fraction form
522,758.24/722,387.04 = 427,230.08/x - Step 3: Cross multiply
522,758.24x = 722,387.04 × 427,230.08 - Step 4: Simplify right side
522,758.24x = 308,625,472,890.16 - Step 5: Solve for x
x = 308,625,472,890.16/522,758.24 - Step 6: Final answer
x = 590,378.97
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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.