Finding the Fourth Proportional to 743,646.63, 1,026,319.82 and 441,840.63
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Solution
The fourth proportional to 743,646.63, 1,026,319.82 and 441,840.63 is: 609,792.04
Step by Step Solution
- Step 1: Write the proportion equation
743,646.63 : 1,026,319.82 = 441,840.63 : x - Step 2: Convert to fraction form
743,646.63/1,026,319.82 = 441,840.63/x - Step 3: Cross multiply
743,646.63x = 1,026,319.82 × 441,840.63 - Step 4: Simplify right side
743,646.63x = 453,469,795,850.29 - Step 5: Solve for x
x = 453,469,795,850.29/743,646.63 - Step 6: Final answer
x = 609,792.04
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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.