Finding the Fourth Proportional to 1,042,476.75, 1,438,608.20 and 589,767.75
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Solution
The fourth proportional to 1,042,476.75, 1,438,608.20 and 589,767.75 is: 813,874.00
Step by Step Solution
- Step 1: Write the proportion equation
1,042,476.75 : 1,438,608.20 = 589,767.75 : x - Step 2: Convert to fraction form
1,042,476.75/1,438,608.20 = 589,767.75/x - Step 3: Cross multiply
1,042,476.75x = 1,438,608.20 × 589,767.75 - Step 4: Simplify right side
1,042,476.75x = 848,444,718,296.71 - Step 5: Solve for x
x = 848,444,718,296.71/1,042,476.75 - Step 6: Final answer
x = 813,874.00
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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.