Finding the Fourth Proportional to 851,029.20, 1,276,543.80 and 776,233.80
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Solution
The fourth proportional to 851,029.20, 1,276,543.80 and 776,233.80 is: 1,164,350.70
Step by Step Solution
- Step 1: Write the proportion equation
851,029.20 : 1,276,543.80 = 776,233.80 : x - Step 2: Convert to fraction form
851,029.20/1,276,543.80 = 776,233.80/x - Step 3: Cross multiply
851,029.20x = 1,276,543.80 × 776,233.80 - Step 4: Simplify right side
851,029.20x = 990,896,444,740.44 - Step 5: Solve for x
x = 990,896,444,740.44/851,029.20 - Step 6: Final answer
x = 1,164,350.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.