Finding the Fourth Proportional to 748,195.81, 1,122,740.85 and 274,929.01
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Solution
The fourth proportional to 748,195.81, 1,122,740.85 and 274,929.01 is: 412,557.82
Step by Step Solution
- Step 1: Write the proportion equation
748,195.81 : 1,122,740.85 = 274,929.01 : x - Step 2: Convert to fraction form
748,195.81/1,122,740.85 = 274,929.01/x - Step 3: Cross multiply
748,195.81x = 1,122,740.85 × 274,929.01 - Step 4: Simplify right side
748,195.81x = 308,674,030,377.06 - Step 5: Solve for x
x = 308,674,030,377.06/748,195.81 - Step 6: Final answer
x = 412,557.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.