Finding the Fourth Proportional to 964,079.12, 1,330,335.72 and 534,350.48
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Solution
The fourth proportional to 964,079.12, 1,330,335.72 and 534,350.48 is: 737,351.86
Step by Step Solution
- Step 1: Write the proportion equation
964,079.12 : 1,330,335.72 = 534,350.48 : x - Step 2: Convert to fraction form
964,079.12/1,330,335.72 = 534,350.48/x - Step 3: Cross multiply
964,079.12x = 1,330,335.72 × 534,350.48 - Step 4: Simplify right side
964,079.12x = 710,865,530,543.15 - Step 5: Solve for x
x = 710,865,530,543.15/964,079.12 - Step 6: Final answer
x = 737,351.86
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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.