Finding the Fourth Proportional to 893,138.19, 1,232,544.69 and 485,248.11
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Solution
The fourth proportional to 893,138.19, 1,232,544.69 and 485,248.11 is: 669,649.99
Step by Step Solution
- Step 1: Write the proportion equation
893,138.19 : 1,232,544.69 = 485,248.11 : x - Step 2: Convert to fraction form
893,138.19/1,232,544.69 = 485,248.11/x - Step 3: Cross multiply
893,138.19x = 1,232,544.69 × 485,248.11 - Step 4: Simplify right side
893,138.19x = 598,089,981,313.04 - Step 5: Solve for x
x = 598,089,981,313.04/893,138.19 - Step 6: Final answer
x = 669,649.99
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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.