Finding the Fourth Proportional to 809,406.05, 1,116,989.37 and 446,830.08
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Solution
The fourth proportional to 809,406.05, 1,116,989.37 and 446,830.08 is: 616,630.49
Step by Step Solution
- Step 1: Write the proportion equation
809,406.05 : 1,116,989.37 = 446,830.08 : x - Step 2: Convert to fraction form
809,406.05/1,116,989.37 = 446,830.08/x - Step 3: Cross multiply
809,406.05x = 1,116,989.37 × 446,830.08 - Step 4: Simplify right side
809,406.05x = 499,104,449,556.25 - Step 5: Solve for x
x = 499,104,449,556.25/809,406.05 - Step 6: Final answer
x = 616,630.49
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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.