Finding the Fourth Proportional to 419,774.45, 626,438.30 and 374,930.01
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Solution
The fourth proportional to 419,774.45, 626,438.30 and 374,930.01 is: 559,515.99
Step by Step Solution
- Step 1: Write the proportion equation
419,774.45 : 626,438.30 = 374,930.01 : x - Step 2: Convert to fraction form
419,774.45/626,438.30 = 374,930.01/x - Step 3: Cross multiply
419,774.45x = 626,438.30 × 374,930.01 - Step 4: Simplify right side
419,774.45x = 234,870,516,208.73 - Step 5: Solve for x
x = 234,870,516,208.73/419,774.45 - Step 6: Final answer
x = 559,515.99
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.