Finding the Fourth Proportional to 893,133.19, 1,232,537.79 and 485,243.11
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Solution
The fourth proportional to 893,133.19, 1,232,537.79 and 485,243.11 is: 669,643.09
Step by Step Solution
- Step 1: Write the proportion equation
893,133.19 : 1,232,537.79 = 485,243.11 : x - Step 2: Convert to fraction form
893,133.19/1,232,537.79 = 485,243.11/x - Step 3: Cross multiply
893,133.19x = 1,232,537.79 × 485,243.11 - Step 4: Simplify right side
893,133.19x = 598,080,470,412.13 - Step 5: Solve for x
x = 598,080,470,412.13/893,133.19 - Step 6: Final answer
x = 669,643.09
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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.