Finding the Fourth Proportional to 828,727.80, 1,244,013.30 and 513,540.60
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Solution
The fourth proportional to 828,727.80, 1,244,013.30 and 513,540.60 is: 770,881.99
Step by Step Solution
- Step 1: Write the proportion equation
828,727.80 : 1,244,013.30 = 513,540.60 : x - Step 2: Convert to fraction form
828,727.80/1,244,013.30 = 513,540.60/x - Step 3: Cross multiply
828,727.80x = 1,244,013.30 × 513,540.60 - Step 4: Simplify right side
828,727.80x = 638,851,336,489.98 - Step 5: Solve for x
x = 638,851,336,489.98/828,727.80 - Step 6: Final answer
x = 770,881.99
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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.