Finding the Fourth Proportional to 828,750.80, 1,244,047.80 and 513,563.60
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Solution
The fourth proportional to 828,750.80, 1,244,047.80 and 513,563.60 is: 770,916.50
Step by Step Solution
- Step 1: Write the proportion equation
828,750.80 : 1,244,047.80 = 513,563.60 : x - Step 2: Convert to fraction form
828,750.80/1,244,047.80 = 513,563.60/x - Step 3: Cross multiply
828,750.80x = 1,244,047.80 × 513,563.60 - Step 4: Simplify right side
828,750.80x = 638,897,666,740.08 - Step 5: Solve for x
x = 638,897,666,740.08/828,750.80 - Step 6: Final answer
x = 770,916.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.