Finding the Fourth Proportional to 637,556.85, 879,827.09 and 347,163.93
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Solution
The fourth proportional to 637,556.85, 879,827.09 and 347,163.93 is: 479,085.48
Step by Step Solution
- Step 1: Write the proportion equation
637,556.85 : 879,827.09 = 347,163.93 : x - Step 2: Convert to fraction form
637,556.85/879,827.09 = 347,163.93/x - Step 3: Cross multiply
637,556.85x = 879,827.09 × 347,163.93 - Step 4: Simplify right side
637,556.85x = 305,444,228,549.04 - Step 5: Solve for x
x = 305,444,228,549.04/637,556.85 - Step 6: Final answer
x = 479,085.48
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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.