Finding the Fourth Proportional to 963,853.70, 1,330,125.81 and 534,140.96
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Solution
The fourth proportional to 963,853.70, 1,330,125.81 and 534,140.96 is: 737,118.79
Step by Step Solution
- Step 1: Write the proportion equation
963,853.70 : 1,330,125.81 = 534,140.96 : x - Step 2: Convert to fraction form
963,853.70/1,330,125.81 = 534,140.96/x - Step 3: Cross multiply
963,853.70x = 1,330,125.81 × 534,140.96 - Step 4: Simplify right side
963,853.70x = 710,474,677,074.18 - Step 5: Solve for x
x = 710,474,677,074.18/963,853.70 - Step 6: Final answer
x = 737,118.79
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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.