Finding the Fourth Proportional to 696,155.36, 1,044,530.79 and 291,442.13
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Solution
The fourth proportional to 696,155.36, 1,044,530.79 and 291,442.13 is: 437,287.84
Step by Step Solution
- Step 1: Write the proportion equation
696,155.36 : 1,044,530.79 = 291,442.13 : x - Step 2: Convert to fraction form
696,155.36/1,044,530.79 = 291,442.13/x - Step 3: Cross multiply
696,155.36x = 1,044,530.79 × 291,442.13 - Step 4: Simplify right side
696,155.36x = 304,420,274,591.23 - Step 5: Solve for x
x = 304,420,274,591.23/696,155.36 - Step 6: Final answer
x = 437,287.84
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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.