Finding the Fourth Proportional to 745,465.47, 1,117,163.68 and 339,665.96
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Solution
The fourth proportional to 745,465.47, 1,117,163.68 and 339,665.96 is: 509,027.56
Step by Step Solution
- Step 1: Write the proportion equation
745,465.47 : 1,117,163.68 = 339,665.96 : x - Step 2: Convert to fraction form
745,465.47/1,117,163.68 = 339,665.96/x - Step 3: Cross multiply
745,465.47x = 1,117,163.68 × 339,665.96 - Step 4: Simplify right side
745,465.47x = 379,462,472,872.46 - Step 5: Solve for x
x = 379,462,472,872.46/745,465.47 - Step 6: Final answer
x = 509,027.56
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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.