Finding the Fourth Proportional to 474,679.24, 655,059.44 and 256,887.94
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Solution
The fourth proportional to 474,679.24, 655,059.44 and 256,887.94 is: 354,506.49
Step by Step Solution
- Step 1: Write the proportion equation
474,679.24 : 655,059.44 = 256,887.94 : x - Step 2: Convert to fraction form
474,679.24/655,059.44 = 256,887.94/x - Step 3: Cross multiply
474,679.24x = 655,059.44 × 256,887.94 - Step 4: Simplify right side
474,679.24x = 168,276,870,119.15 - Step 5: Solve for x
x = 168,276,870,119.15/474,679.24 - Step 6: Final answer
x = 354,506.49
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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.