Finding the Fourth Proportional to 808,163.48, 1,115,018.34 and 468,563.96
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Solution
The fourth proportional to 808,163.48, 1,115,018.34 and 468,563.96 is: 646,474.90
Step by Step Solution
- Step 1: Write the proportion equation
808,163.48 : 1,115,018.34 = 468,563.96 : x - Step 2: Convert to fraction form
808,163.48/1,115,018.34 = 468,563.96/x - Step 3: Cross multiply
808,163.48x = 1,115,018.34 × 468,563.96 - Step 4: Simplify right side
808,163.48x = 522,457,408,863.03 - Step 5: Solve for x
x = 522,457,408,863.03/808,163.48 - Step 6: Final answer
x = 646,474.90
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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.