Finding the Fourth Proportional to 676,923.44, 934,122.30 and 405,141.08
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Solution
The fourth proportional to 676,923.44, 934,122.30 and 405,141.08 is: 559,075.51
Step by Step Solution
- Step 1: Write the proportion equation
676,923.44 : 934,122.30 = 405,141.08 : x - Step 2: Convert to fraction form
676,923.44/934,122.30 = 405,141.08/x - Step 3: Cross multiply
676,923.44x = 934,122.30 × 405,141.08 - Step 4: Simplify right side
676,923.44x = 378,451,317,474.08 - Step 5: Solve for x
x = 378,451,317,474.08/676,923.44 - Step 6: Final answer
x = 559,075.51
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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.