Finding the Fourth Proportional to 786,124.74, 1,084,855.83 and 446,611.62
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Solution
The fourth proportional to 786,124.74, 1,084,855.83 and 446,611.62 is: 616,326.13
Step by Step Solution
- Step 1: Write the proportion equation
786,124.74 : 1,084,855.83 = 446,611.62 : x - Step 2: Convert to fraction form
786,124.74/1,084,855.83 = 446,611.62/x - Step 3: Cross multiply
786,124.74x = 1,084,855.83 × 446,611.62 - Step 4: Simplify right side
786,124.74x = 484,509,219,702.75 - Step 5: Solve for x
x = 484,509,219,702.75/786,124.74 - Step 6: Final answer
x = 616,326.13
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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.