Finding the Fourth Proportional to 844,122.68, 1,164,888.74 and 462,149.36
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Solution
The fourth proportional to 844,122.68, 1,164,888.74 and 462,149.36 is: 637,765.81
Step by Step Solution
- Step 1: Write the proportion equation
844,122.68 : 1,164,888.74 = 462,149.36 : x - Step 2: Convert to fraction form
844,122.68/1,164,888.74 = 462,149.36/x - Step 3: Cross multiply
844,122.68x = 1,164,888.74 × 462,149.36 - Step 4: Simplify right side
844,122.68x = 538,352,585,662.21 - Step 5: Solve for x
x = 538,352,585,662.21/844,122.68 - Step 6: Final answer
x = 637,765.81
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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.