Finding the Fourth Proportional to 697,605.21, 962,938.26 and 411,107.13
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Solution
The fourth proportional to 697,605.21, 962,938.26 and 411,107.13 is: 567,471.08
Step by Step Solution
- Step 1: Write the proportion equation
697,605.21 : 962,938.26 = 411,107.13 : x - Step 2: Convert to fraction form
697,605.21/962,938.26 = 411,107.13/x - Step 3: Cross multiply
697,605.21x = 962,938.26 × 411,107.13 - Step 4: Simplify right side
697,605.21x = 395,870,784,435.79 - Step 5: Solve for x
x = 395,870,784,435.79/697,605.21 - Step 6: Final answer
x = 567,471.08
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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.