Finding the Fourth Proportional to 434,832.20, 609,871 and 434,832.20
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Solution
The fourth proportional to 434,832.20, 609,871 and 434,832.20 is: 609,871
Step by Step Solution
- Step 1: Write the proportion equation
434,832.20 : 609,871 = 434,832.20 : x - Step 2: Convert to fraction form
434,832.20/609,871 = 434,832.20/x - Step 3: Cross multiply
434,832.20x = 609,871 × 434,832.20 - Step 4: Simplify right side
434,832.20x = 265,191,548,646.20 - Step 5: Solve for x
x = 265,191,548,646.20/434,832.20 - Step 6: Final answer
x = 609,871
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.