Finding the Fourth Proportional to 893,371.82, 1,232,849.06 and 485,465.94
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Solution
The fourth proportional to 893,371.82, 1,232,849.06 and 485,465.94 is: 669,940.80
Step by Step Solution
- Step 1: Write the proportion equation
893,371.82 : 1,232,849.06 = 485,465.94 : x - Step 2: Convert to fraction form
893,371.82/1,232,849.06 = 485,465.94/x - Step 3: Cross multiply
893,371.82x = 1,232,849.06 × 485,465.94 - Step 4: Simplify right side
893,371.82x = 598,506,227,184.18 - Step 5: Solve for x
x = 598,506,227,184.18/893,371.82 - Step 6: Final answer
x = 669,940.80
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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.