Finding the Fourth Proportional to 1,042,680.24, 1,564,107.84 and 332,809.20
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Solution
The fourth proportional to 1,042,680.24, 1,564,107.84 and 332,809.20 is: 499,241.72
Step by Step Solution
- Step 1: Write the proportion equation
1,042,680.24 : 1,564,107.84 = 332,809.20 : x - Step 2: Convert to fraction form
1,042,680.24/1,564,107.84 = 332,809.20/x - Step 3: Cross multiply
1,042,680.24x = 1,564,107.84 × 332,809.20 - Step 4: Simplify right side
1,042,680.24x = 520,549,478,944.13 - Step 5: Solve for x
x = 520,549,478,944.13/1,042,680.24 - Step 6: Final answer
x = 499,241.72
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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.