Finding the Fourth Proportional to 486,448.08, 669,812.18 and 440,829.15
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Solution
The fourth proportional to 486,448.08, 669,812.18 and 440,829.15 is: 606,997.43
Step by Step Solution
- Step 1: Write the proportion equation
486,448.08 : 669,812.18 = 440,829.15 : x - Step 2: Convert to fraction form
486,448.08/669,812.18 = 440,829.15/x - Step 3: Cross multiply
486,448.08x = 669,812.18 × 440,829.15 - Step 4: Simplify right side
486,448.08x = 295,272,733,969.05 - Step 5: Solve for x
x = 295,272,733,969.05/486,448.08 - Step 6: Final answer
x = 606,997.43
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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.