Finding the Fourth Proportional to 611,701.70, 917,552.55 and 274,903.70
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Solution
The fourth proportional to 611,701.70, 917,552.55 and 274,903.70 is: 412,355.55
Step by Step Solution
- Step 1: Write the proportion equation
611,701.70 : 917,552.55 = 274,903.70 : x - Step 2: Convert to fraction form
611,701.70/917,552.55 = 274,903.70/x - Step 3: Cross multiply
611,701.70x = 917,552.55 × 274,903.70 - Step 4: Simplify right side
611,701.70x = 252,238,590,939.44 - Step 5: Solve for x
x = 252,238,590,939.44/611,701.70 - Step 6: Final answer
x = 412,355.55
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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.