Finding the Fourth Proportional to 531,256.68, 733,112.87 and 289,534.08
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Solution
The fourth proportional to 531,256.68, 733,112.87 and 289,534.08 is: 399,545.39
Step by Step Solution
- Step 1: Write the proportion equation
531,256.68 : 733,112.87 = 289,534.08 : x - Step 2: Convert to fraction form
531,256.68/733,112.87 = 289,534.08/x - Step 3: Cross multiply
531,256.68x = 733,112.87 × 289,534.08 - Step 4: Simplify right side
531,256.68x = 212,261,158,903.94 - Step 5: Solve for x
x = 212,261,158,903.94/531,256.68 - Step 6: Final answer
x = 399,545.39
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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.