Finding the Fourth Proportional to 696,858.99, 962,077.65 and 438,957.02
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Solution
The fourth proportional to 696,858.99, 962,077.65 and 438,957.02 is: 606,020.36
Step by Step Solution
- Step 1: Write the proportion equation
696,858.99 : 962,077.65 = 438,957.02 : x - Step 2: Convert to fraction form
696,858.99/962,077.65 = 438,957.02/x - Step 3: Cross multiply
696,858.99x = 962,077.65 × 438,957.02 - Step 4: Simplify right side
696,858.99x = 422,310,737,422.08 - Step 5: Solve for x
x = 422,310,737,422.08/696,858.99 - Step 6: Final answer
x = 606,020.36
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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.