Finding the Fourth Proportional to 516,551.20, 774,703.44 and 217,037.44
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Solution
The fourth proportional to 516,551.20, 774,703.44 and 217,037.44 is: 325,504.33
Step by Step Solution
- Step 1: Write the proportion equation
516,551.20 : 774,703.44 = 217,037.44 : x - Step 2: Convert to fraction form
516,551.20/774,703.44 = 217,037.44/x - Step 3: Cross multiply
516,551.20x = 774,703.44 × 217,037.44 - Step 4: Simplify right side
516,551.20x = 168,139,651,376.79 - Step 5: Solve for x
x = 168,139,651,376.79/516,551.20 - Step 6: Final answer
x = 325,504.33
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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.