Finding the Fourth Proportional to 930,628.80, 1,283,940.60 and 608,527.44
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Solution
The fourth proportional to 930,628.80, 1,283,940.60 and 608,527.44 is: 839,553.95
Step by Step Solution
- Step 1: Write the proportion equation
930,628.80 : 1,283,940.60 = 608,527.44 : x - Step 2: Convert to fraction form
930,628.80/1,283,940.60 = 608,527.44/x - Step 3: Cross multiply
930,628.80x = 1,283,940.60 × 608,527.44 - Step 4: Simplify right side
930,628.80x = 781,313,086,430.06 - Step 5: Solve for x
x = 781,313,086,430.06/930,628.80 - Step 6: Final answer
x = 839,553.95
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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.