Finding the Fourth Proportional to 747,631.26, 1,121,392.62 and 292,136.94
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Solution
The fourth proportional to 747,631.26, 1,121,392.62 and 292,136.94 is: 438,184.20
Step by Step Solution
- Step 1: Write the proportion equation
747,631.26 : 1,121,392.62 = 292,136.94 : x - Step 2: Convert to fraction form
747,631.26/1,121,392.62 = 292,136.94/x - Step 3: Cross multiply
747,631.26x = 1,121,392.62 × 292,136.94 - Step 4: Simplify right side
747,631.26x = 327,600,208,545.38 - Step 5: Solve for x
x = 327,600,208,545.38/747,631.26 - Step 6: Final answer
x = 438,184.20
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.