Finding the Fourth Proportional to 743,901.44, 1,026,631.68 and 417,245.12
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Solution
The fourth proportional to 743,901.44, 1,026,631.68 and 417,245.12 is: 575,825.02
Step by Step Solution
- Step 1: Write the proportion equation
743,901.44 : 1,026,631.68 = 417,245.12 : x - Step 2: Convert to fraction form
743,901.44/1,026,631.68 = 417,245.12/x - Step 3: Cross multiply
743,901.44x = 1,026,631.68 × 417,245.12 - Step 4: Simplify right side
743,901.44x = 428,357,058,517.40 - Step 5: Solve for x
x = 428,357,058,517.40/743,901.44 - Step 6: Final answer
x = 575,825.02
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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.