Finding the Fourth Proportional to 844,386.02, 1,266,389.09 and 388,539.99
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Solution
The fourth proportional to 844,386.02, 1,266,389.09 and 388,539.99 is: 582,722.59
Step by Step Solution
- Step 1: Write the proportion equation
844,386.02 : 1,266,389.09 = 388,539.99 : x - Step 2: Convert to fraction form
844,386.02/1,266,389.09 = 388,539.99/x - Step 3: Cross multiply
844,386.02x = 1,266,389.09 × 388,539.99 - Step 4: Simplify right side
844,386.02x = 492,042,802,422.01 - Step 5: Solve for x
x = 492,042,802,422.01/844,386.02 - Step 6: Final answer
x = 582,722.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.