Finding the Fourth Proportional to 882,837.42, 1,218,231.36 and 495,564.09
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Solution
The fourth proportional to 882,837.42, 1,218,231.36 and 495,564.09 is: 683,831.14
Step by Step Solution
- Step 1: Write the proportion equation
882,837.42 : 1,218,231.36 = 495,564.09 : x - Step 2: Convert to fraction form
882,837.42/1,218,231.36 = 495,564.09/x - Step 3: Cross multiply
882,837.42x = 1,218,231.36 × 495,564.09 - Step 4: Simplify right side
882,837.42x = 603,711,715,327.86 - Step 5: Solve for x
x = 603,711,715,327.86/882,837.42 - Step 6: Final answer
x = 683,831.14
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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.