Finding the Fourth Proportional to 647,468.20, 971,202.30 and 395,525.80
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Solution
The fourth proportional to 647,468.20, 971,202.30 and 395,525.80 is: 593,288.70
Step by Step Solution
- Step 1: Write the proportion equation
647,468.20 : 971,202.30 = 395,525.80 : x - Step 2: Convert to fraction form
647,468.20/971,202.30 = 395,525.80/x - Step 3: Cross multiply
647,468.20x = 971,202.30 × 395,525.80 - Step 4: Simplify right side
647,468.20x = 384,135,566,669.34 - Step 5: Solve for x
x = 384,135,566,669.34/647,468.20 - Step 6: Final answer
x = 593,288.70
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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.