Finding the Fourth Proportional to 963,862.70, 1,330,138.35 and 534,149.90
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Solution
The fourth proportional to 963,862.70, 1,330,138.35 and 534,149.90 is: 737,131.20
Step by Step Solution
- Step 1: Write the proportion equation
963,862.70 : 1,330,138.35 = 534,149.90 : x - Step 2: Convert to fraction form
963,862.70/1,330,138.35 = 534,149.90/x - Step 3: Cross multiply
963,862.70x = 1,330,138.35 × 534,149.90 - Step 4: Simplify right side
963,862.70x = 710,493,266,638.67 - Step 5: Solve for x
x = 710,493,266,638.67/963,862.70 - Step 6: Final answer
x = 737,131.20
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.