Finding the Fourth Proportional to 984,218.66, 1,358,236.05 and 548,624.42
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Solution
The fourth proportional to 984,218.66, 1,358,236.05 and 548,624.42 is: 757,109.67
Step by Step Solution
- Step 1: Write the proportion equation
984,218.66 : 1,358,236.05 = 548,624.42 : x - Step 2: Convert to fraction form
984,218.66/1,358,236.05 = 548,624.42/x - Step 3: Cross multiply
984,218.66x = 1,358,236.05 × 548,624.42 - Step 4: Simplify right side
984,218.66x = 745,161,465,154.34 - Step 5: Solve for x
x = 745,161,465,154.34/984,218.66 - Step 6: Final answer
x = 757,109.67
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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.