Finding the Fourth Proportional to 608,201.40, 910,919.70 and 384,252.60
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Solution
The fourth proportional to 608,201.40, 910,919.70 and 384,252.60 is: 575,505.52
Step by Step Solution
- Step 1: Write the proportion equation
608,201.40 : 910,919.70 = 384,252.60 : x - Step 2: Convert to fraction form
608,201.40/910,919.70 = 384,252.60/x - Step 3: Cross multiply
608,201.40x = 910,919.70 × 384,252.60 - Step 4: Simplify right side
608,201.40x = 350,023,263,116.22 - Step 5: Solve for x
x = 350,023,263,116.22/608,201.40 - Step 6: Final answer
x = 575,505.52
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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.