Finding the Fourth Proportional to 465,614.10, 697,822.11 and 405,396.18
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Solution
The fourth proportional to 465,614.10, 697,822.11 and 405,396.18 is: 607,572.70
Step by Step Solution
- Step 1: Write the proportion equation
465,614.10 : 697,822.11 = 405,396.18 : x - Step 2: Convert to fraction form
465,614.10/697,822.11 = 405,396.18/x - Step 3: Cross multiply
465,614.10x = 697,822.11 × 405,396.18 - Step 4: Simplify right side
465,614.10x = 282,894,417,713.54 - Step 5: Solve for x
x = 282,894,417,713.54/465,614.10 - Step 6: Final answer
x = 607,572.70
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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.