Finding the Fourth Proportional to 528,577.20, 792,163.80 and 288,073.62
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Solution
The fourth proportional to 528,577.20, 792,163.80 and 288,073.62 is: 431,727.84
Step by Step Solution
- Step 1: Write the proportion equation
528,577.20 : 792,163.80 = 288,073.62 : x - Step 2: Convert to fraction form
528,577.20/792,163.80 = 288,073.62/x - Step 3: Cross multiply
528,577.20x = 792,163.80 × 288,073.62 - Step 4: Simplify right side
528,577.20x = 228,201,493,498.96 - Step 5: Solve for x
x = 228,201,493,498.96/528,577.20 - Step 6: Final answer
x = 431,727.84
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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.