Finding the Fourth Proportional to 608,455.40, 911,285.68 and 303,914.79
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Solution
The fourth proportional to 608,455.40, 911,285.68 and 303,914.79 is: 455,174.19
Step by Step Solution
- Step 1: Write the proportion equation
608,455.40 : 911,285.68 = 303,914.79 : x - Step 2: Convert to fraction form
608,455.40/911,285.68 = 303,914.79/x - Step 3: Cross multiply
608,455.40x = 911,285.68 × 303,914.79 - Step 4: Simplify right side
608,455.40x = 276,953,196,067.21 - Step 5: Solve for x
x = 276,953,196,067.21/608,455.40 - Step 6: Final answer
x = 455,174.19
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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.