Finding the Fourth Proportional to 939,594.18, 1,296,639.97 and 509,874.31
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Solution
The fourth proportional to 939,594.18, 1,296,639.97 and 509,874.31 is: 703,626.55
Step by Step Solution
- Step 1: Write the proportion equation
939,594.18 : 1,296,639.97 = 509,874.31 : x - Step 2: Convert to fraction form
939,594.18/1,296,639.97 = 509,874.31/x - Step 3: Cross multiply
939,594.18x = 1,296,639.97 × 509,874.31 - Step 4: Simplify right side
939,594.18x = 661,123,412,280.31 - Step 5: Solve for x
x = 661,123,412,280.31/939,594.18 - Step 6: Final answer
x = 703,626.55
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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.