Finding the Fourth Proportional to 608,879.70, 913,319.55 and 276,455.70
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Solution
The fourth proportional to 608,879.70, 913,319.55 and 276,455.70 is: 414,683.55
Step by Step Solution
- Step 1: Write the proportion equation
608,879.70 : 913,319.55 = 276,455.70 : x - Step 2: Convert to fraction form
608,879.70/913,319.55 = 276,455.70/x - Step 3: Cross multiply
608,879.70x = 913,319.55 × 276,455.70 - Step 4: Simplify right side
608,879.70x = 252,492,395,518.94 - Step 5: Solve for x
x = 252,492,395,518.94/608,879.70 - Step 6: Final answer
x = 414,683.55
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Similar ratio
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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.