Finding the Fourth Proportional to 474,518.76, 654,880.44 and 283,528.08
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Solution
The fourth proportional to 474,518.76, 654,880.44 and 283,528.08 is: 391,295.37
Step by Step Solution
- Step 1: Write the proportion equation
474,518.76 : 654,880.44 = 283,528.08 : x - Step 2: Convert to fraction form
474,518.76/654,880.44 = 283,528.08/x - Step 3: Cross multiply
474,518.76x = 654,880.44 × 283,528.08 - Step 4: Simplify right side
474,518.76x = 185,676,993,782.76 - Step 5: Solve for x
x = 185,676,993,782.76/474,518.76 - Step 6: Final answer
x = 391,295.37
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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.