Finding the Fourth Proportional to 864,192.41, 1,192,407.49 and 496,598.55
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Solution
The fourth proportional to 864,192.41, 1,192,407.49 and 496,598.55 is: 685,203.69
Step by Step Solution
- Step 1: Write the proportion equation
864,192.41 : 1,192,407.49 = 496,598.55 : x - Step 2: Convert to fraction form
864,192.41/1,192,407.49 = 496,598.55/x - Step 3: Cross multiply
864,192.41x = 1,192,407.49 × 496,598.55 - Step 4: Simplify right side
864,192.41x = 592,147,830,543.14 - Step 5: Solve for x
x = 592,147,830,543.14/864,192.41 - Step 6: Final answer
x = 685,203.69
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1.5x scale
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.