Finding the Fourth Proportional to 531,268.54, 733,129.19 and 289,545.91
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Solution
The fourth proportional to 531,268.54, 733,129.19 and 289,545.91 is: 399,561.70
Step by Step Solution
- Step 1: Write the proportion equation
531,268.54 : 733,129.19 = 289,545.91 : x - Step 2: Convert to fraction form
531,268.54/733,129.19 = 289,545.91/x - Step 3: Cross multiply
531,268.54x = 733,129.19 × 289,545.91 - Step 4: Simplify right side
531,268.54x = 212,274,558,466.11 - Step 5: Solve for x
x = 212,274,558,466.11/531,268.54 - Step 6: Final answer
x = 399,561.70
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.