Finding the Fourth Proportional to 864,201.93, 1,192,420.57 and 496,608.07
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Solution
The fourth proportional to 864,201.93, 1,192,420.57 and 496,608.07 is: 685,216.80
Step by Step Solution
- Step 1: Write the proportion equation
864,201.93 : 1,192,420.57 = 496,608.07 : x - Step 2: Convert to fraction form
864,201.93/1,192,420.57 = 496,608.07/x - Step 3: Cross multiply
864,201.93x = 1,192,420.57 × 496,608.07 - Step 4: Simplify right side
864,201.93x = 592,165,677,896 - Step 5: Solve for x
x = 592,165,677,896/864,201.93 - Step 6: Final answer
x = 685,216.80
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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.