Finding the Fourth Proportional to 809,313.18, 1,116,852.40 and 446,737.26
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Solution
The fourth proportional to 809,313.18, 1,116,852.40 and 446,737.26 is: 616,497.54
Step by Step Solution
- Step 1: Write the proportion equation
809,313.18 : 1,116,852.40 = 446,737.26 : x - Step 2: Convert to fraction form
809,313.18/1,116,852.40 = 446,737.26/x - Step 3: Cross multiply
809,313.18x = 1,116,852.40 × 446,737.26 - Step 4: Simplify right side
809,313.18x = 498,939,581,000.42 - Step 5: Solve for x
x = 498,939,581,000.42/809,313.18 - Step 6: Final answer
x = 616,497.54
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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.