Finding the Fourth Proportional to 828,282.10, 1,242,423.15 and 799,413.70
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Solution
The fourth proportional to 828,282.10, 1,242,423.15 and 799,413.70 is: 1,199,120.55
Step by Step Solution
- Step 1: Write the proportion equation
828,282.10 : 1,242,423.15 = 799,413.70 : x - Step 2: Convert to fraction form
828,282.10/1,242,423.15 = 799,413.70/x - Step 3: Cross multiply
828,282.10x = 1,242,423.15 × 799,413.70 - Step 4: Simplify right side
828,282.10x = 993,210,087,307.16 - Step 5: Solve for x
x = 993,210,087,307.16/828,282.10 - Step 6: Final answer
x = 1,199,120.55
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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.