Finding the Fourth Proportional to 741,699.98, 1,023,566.10 and 419,458.28
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Solution
The fourth proportional to 741,699.98, 1,023,566.10 and 419,458.28 is: 578,863.81
Step by Step Solution
- Step 1: Write the proportion equation
741,699.98 : 1,023,566.10 = 419,458.28 : x - Step 2: Convert to fraction form
741,699.98/1,023,566.10 = 419,458.28/x - Step 3: Cross multiply
741,699.98x = 1,023,566.10 × 419,458.28 - Step 4: Simplify right side
741,699.98x = 429,343,275,772.31 - Step 5: Solve for x
x = 429,343,275,772.31/741,699.98 - Step 6: Final answer
x = 578,863.81
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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.