Finding the Fourth Proportional to 620,490.48, 930,936.36 and 304,725.96
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Solution
The fourth proportional to 620,490.48, 930,936.36 and 304,725.96 is: 457,187.48
Step by Step Solution
- Step 1: Write the proportion equation
620,490.48 : 930,936.36 = 304,725.96 : x - Step 2: Convert to fraction form
620,490.48/930,936.36 = 304,725.96/x - Step 3: Cross multiply
620,490.48x = 930,936.36 × 304,725.96 - Step 4: Simplify right side
620,490.48x = 283,680,475,999.91 - Step 5: Solve for x
x = 283,680,475,999.91/620,490.48 - Step 6: Final answer
x = 457,187.48
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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.