Finding the Fourth Proportional to 715,192.74, 1,071,791.60 and 537,491.70
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Solution
The fourth proportional to 715,192.74, 1,071,791.60 and 537,491.70 is: 805,487.88
Step by Step Solution
- Step 1: Write the proportion equation
715,192.74 : 1,071,791.60 = 537,491.70 : x - Step 2: Convert to fraction form
715,192.74/1,071,791.60 = 537,491.70/x - Step 3: Cross multiply
715,192.74x = 1,071,791.60 × 537,491.70 - Step 4: Simplify right side
715,192.74x = 576,079,086,442.26 - Step 5: Solve for x
x = 576,079,086,442.26/715,192.74 - Step 6: Final answer
x = 805,487.88
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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.