Finding the Fourth Proportional to 804,395.21, 1,110,074.42 and 441,827.46
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Solution
The fourth proportional to 804,395.21, 1,110,074.42 and 441,827.46 is: 609,726.86
Step by Step Solution
- Step 1: Write the proportion equation
804,395.21 : 1,110,074.42 = 441,827.46 : x - Step 2: Convert to fraction form
804,395.21/1,110,074.42 = 441,827.46/x - Step 3: Cross multiply
804,395.21x = 1,110,074.42 × 441,827.46 - Step 4: Simplify right side
804,395.21x = 490,461,362,504.14 - Step 5: Solve for x
x = 490,461,362,504.14/804,395.21 - Step 6: Final answer
x = 609,726.86
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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.