Finding the Fourth Proportional to 743,645.63, 1,026,318.44 and 441,839.63
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Solution
The fourth proportional to 743,645.63, 1,026,318.44 and 441,839.63 is: 609,790.66
Step by Step Solution
- Step 1: Write the proportion equation
743,645.63 : 1,026,318.44 = 441,839.63 : x - Step 2: Convert to fraction form
743,645.63/1,026,318.44 = 441,839.63/x - Step 3: Cross multiply
743,645.63x = 1,026,318.44 × 441,839.63 - Step 4: Simplify right side
743,645.63x = 453,468,155,764.78 - Step 5: Solve for x
x = 453,468,155,764.78/743,645.63 - Step 6: Final answer
x = 609,790.66
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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.