Finding the Fourth Proportional to 605,557.70, 908,117.85 and 305,938.70
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Solution
The fourth proportional to 605,557.70, 908,117.85 and 305,938.70 is: 458,797.56
Step by Step Solution
- Step 1: Write the proportion equation
605,557.70 : 908,117.85 = 305,938.70 : x - Step 2: Convert to fraction form
605,557.70/908,117.85 = 305,938.70/x - Step 3: Cross multiply
605,557.70x = 908,117.85 × 305,938.70 - Step 4: Simplify right side
605,557.70x = 277,828,394,475.80 - Step 5: Solve for x
x = 277,828,394,475.80/605,557.70 - Step 6: Final answer
x = 458,797.56
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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.