Finding the Fourth Proportional to 563,588.49, 777,761.60 and 305,473.62
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Solution
The fourth proportional to 563,588.49, 777,761.60 and 305,473.62 is: 421,558.74
Step by Step Solution
- Step 1: Write the proportion equation
563,588.49 : 777,761.60 = 305,473.62 : x - Step 2: Convert to fraction form
563,588.49/777,761.60 = 305,473.62/x - Step 3: Cross multiply
563,588.49x = 777,761.60 × 305,473.62 - Step 4: Simplify right side
563,588.49x = 237,585,651,448.99 - Step 5: Solve for x
x = 237,585,651,448.99/563,588.49 - Step 6: Final answer
x = 421,558.74
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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.