Finding the Fourth Proportional to 840,477.75, 1,159,859.30 and 458,506.05
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Solution
The fourth proportional to 840,477.75, 1,159,859.30 and 458,506.05 is: 632,738.35
Step by Step Solution
- Step 1: Write the proportion equation
840,477.75 : 1,159,859.30 = 458,506.05 : x - Step 2: Convert to fraction form
840,477.75/1,159,859.30 = 458,506.05/x - Step 3: Cross multiply
840,477.75x = 1,159,859.30 × 458,506.05 - Step 4: Simplify right side
840,477.75x = 531,802,503,906.24 - Step 5: Solve for x
x = 531,802,503,906.24/840,477.75 - Step 6: Final answer
x = 632,738.35
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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.