Finding the Fourth Proportional to 904,395.12, 1,248,062.18 and 496,486.80
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Solution
The fourth proportional to 904,395.12, 1,248,062.18 and 496,486.80 is: 685,150.09
Step by Step Solution
- Step 1: Write the proportion equation
904,395.12 : 1,248,062.18 = 496,486.80 : x - Step 2: Convert to fraction form
904,395.12/1,248,062.18 = 496,486.80/x - Step 3: Cross multiply
904,395.12x = 1,248,062.18 × 496,486.80 - Step 4: Simplify right side
904,395.12x = 619,646,397,949.22 - Step 5: Solve for x
x = 619,646,397,949.22/904,395.12 - Step 6: Final answer
x = 685,150.09
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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.