Finding the Fourth Proportional to 540,679.35, 746,107.41 and 298,947.42
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Solution
The fourth proportional to 540,679.35, 746,107.41 and 298,947.42 is: 412,530.80
Step by Step Solution
- Step 1: Write the proportion equation
540,679.35 : 746,107.41 = 298,947.42 : x - Step 2: Convert to fraction form
540,679.35/746,107.41 = 298,947.42/x - Step 3: Cross multiply
540,679.35x = 746,107.41 × 298,947.42 - Step 4: Simplify right side
540,679.35x = 223,046,885,262.38 - Step 5: Solve for x
x = 223,046,885,262.38/540,679.35 - Step 6: Final answer
x = 412,530.80
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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.