Finding the Fourth Proportional to 470,917.99, 706,376.13 and 387,474.49
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Solution
The fourth proportional to 470,917.99, 706,376.13 and 387,474.49 is: 581,211.03
Step by Step Solution
- Step 1: Write the proportion equation
470,917.99 : 706,376.13 = 387,474.49 : x - Step 2: Convert to fraction form
470,917.99/706,376.13 = 387,474.49/x - Step 3: Cross multiply
470,917.99x = 706,376.13 × 387,474.49 - Step 4: Simplify right side
470,917.99x = 273,702,730,719.92 - Step 5: Solve for x
x = 273,702,730,719.92/470,917.99 - Step 6: Final answer
x = 581,211.03
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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.