Finding the Fourth Proportional to 735,508.60, 1,014,939.66 and 413,193.40
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Solution
The fourth proportional to 735,508.60, 1,014,939.66 and 413,193.40 is: 570,171.94
Step by Step Solution
- Step 1: Write the proportion equation
735,508.60 : 1,014,939.66 = 413,193.40 : x - Step 2: Convert to fraction form
735,508.60/1,014,939.66 = 413,193.40/x - Step 3: Cross multiply
735,508.60x = 1,014,939.66 × 413,193.40 - Step 4: Simplify right side
735,508.60x = 419,366,368,910.24 - Step 5: Solve for x
x = 419,366,368,910.24/735,508.60 - Step 6: Final answer
x = 570,171.94
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1.5x scale
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.