Finding the Fourth Proportional to 728,272.20, 1,092,408.30 and 463,207.80
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Solution
The fourth proportional to 728,272.20, 1,092,408.30 and 463,207.80 is: 694,811.70
Step by Step Solution
- Step 1: Write the proportion equation
728,272.20 : 1,092,408.30 = 463,207.80 : x - Step 2: Convert to fraction form
728,272.20/1,092,408.30 = 463,207.80/x - Step 3: Cross multiply
728,272.20x = 1,092,408.30 × 463,207.80 - Step 4: Simplify right side
728,272.20x = 506,012,045,344.74 - Step 5: Solve for x
x = 506,012,045,344.74/728,272.20 - Step 6: Final answer
x = 694,811.70
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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.