Finding the Fourth Proportional to 863,497.80, 1,295,246.70 and 490,249.80
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Solution
The fourth proportional to 863,497.80, 1,295,246.70 and 490,249.80 is: 735,374.70
Step by Step Solution
- Step 1: Write the proportion equation
863,497.80 : 1,295,246.70 = 490,249.80 : x - Step 2: Convert to fraction form
863,497.80/1,295,246.70 = 490,249.80/x - Step 3: Cross multiply
863,497.80x = 1,295,246.70 × 490,249.80 - Step 4: Simplify right side
863,497.80x = 634,994,435,625.66 - Step 5: Solve for x
x = 634,994,435,625.66/863,497.80 - Step 6: Final answer
x = 735,374.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.