Finding the Fourth Proportional to 913,601.42, 1,260,737.66 and 505,704.04
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Solution
The fourth proportional to 913,601.42, 1,260,737.66 and 505,704.04 is: 697,853.70
Step by Step Solution
- Step 1: Write the proportion equation
913,601.42 : 1,260,737.66 = 505,704.04 : x - Step 2: Convert to fraction form
913,601.42/1,260,737.66 = 505,704.04/x - Step 3: Cross multiply
913,601.42x = 1,260,737.66 × 505,704.04 - Step 4: Simplify right side
913,601.42x = 637,560,128,042.15 - Step 5: Solve for x
x = 637,560,128,042.15/913,601.42 - Step 6: Final answer
x = 697,853.70
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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.