Finding the Fourth Proportional to 943,816.05, 1,302,485.94 and 514,095.12
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Solution
The fourth proportional to 943,816.05, 1,302,485.94 and 514,095.12 is: 709,462.05
Step by Step Solution
- Step 1: Write the proportion equation
943,816.05 : 1,302,485.94 = 514,095.12 : x - Step 2: Convert to fraction form
943,816.05/1,302,485.94 = 514,095.12/x - Step 3: Cross multiply
943,816.05x = 1,302,485.94 × 514,095.12 - Step 4: Simplify right side
943,816.05x = 669,601,665,622.61 - Step 5: Solve for x
x = 669,601,665,622.61/943,816.05 - Step 6: Final answer
x = 709,462.05
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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.