Finding the Fourth Proportional to 738,275.61, 1,107,810.42 and 711,403.99
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Solution
The fourth proportional to 738,275.61, 1,107,810.42 and 711,403.99 is: 1,067,488.53
Step by Step Solution
- Step 1: Write the proportion equation
738,275.61 : 1,107,810.42 = 711,403.99 : x - Step 2: Convert to fraction form
738,275.61/1,107,810.42 = 711,403.99/x - Step 3: Cross multiply
738,275.61x = 1,107,810.42 × 711,403.99 - Step 4: Simplify right side
738,275.61x = 788,100,747,514.29 - Step 5: Solve for x
x = 788,100,747,514.29/738,275.61 - Step 6: Final answer
x = 1,067,488.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.