Finding the Fourth Proportional to 483,203.20, 724,113.60 and 335,286.40
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Solution
The fourth proportional to 483,203.20, 724,113.60 and 335,286.40 is: 502,449.99
Step by Step Solution
- Step 1: Write the proportion equation
483,203.20 : 724,113.60 = 335,286.40 : x - Step 2: Convert to fraction form
483,203.20/724,113.60 = 335,286.40/x - Step 3: Cross multiply
483,203.20x = 724,113.60 × 335,286.40 - Step 4: Simplify right side
483,203.20x = 242,785,442,135.04 - Step 5: Solve for x
x = 242,785,442,135.04/483,203.20 - Step 6: Final answer
x = 502,449.99
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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.