Finding the Fourth Proportional to 431,560.08, 648,410.88 and 279,853.68
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Solution
The fourth proportional to 431,560.08, 648,410.88 and 279,853.68 is: 420,474.88
Step by Step Solution
- Step 1: Write the proportion equation
431,560.08 : 648,410.88 = 279,853.68 : x - Step 2: Convert to fraction form
431,560.08/648,410.88 = 279,853.68/x - Step 3: Cross multiply
431,560.08x = 648,410.88 × 279,853.68 - Step 4: Simplify right side
431,560.08x = 181,460,170,920.04 - Step 5: Solve for x
x = 181,460,170,920.04/431,560.08 - Step 6: Final answer
x = 420,474.88
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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.