Finding the Fourth Proportional to 737,031.42, 1,103,775.48 and 420,528.78
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Solution
The fourth proportional to 737,031.42, 1,103,775.48 and 420,528.78 is: 629,782.32
Step by Step Solution
- Step 1: Write the proportion equation
737,031.42 : 1,103,775.48 = 420,528.78 : x - Step 2: Convert to fraction form
737,031.42/1,103,775.48 = 420,528.78/x - Step 3: Cross multiply
737,031.42x = 1,103,775.48 × 420,528.78 - Step 4: Simplify right side
737,031.42x = 464,169,355,998.31 - Step 5: Solve for x
x = 464,169,355,998.31/737,031.42 - Step 6: Final answer
x = 629,782.32
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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.