Finding the Fourth Proportional to 886,861.30, 1,330,291.95 and 532,275.70
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Solution
The fourth proportional to 886,861.30, 1,330,291.95 and 532,275.70 is: 798,413.55
Step by Step Solution
- Step 1: Write the proportion equation
886,861.30 : 1,330,291.95 = 532,275.70 : x - Step 2: Convert to fraction form
886,861.30/1,330,291.95 = 532,275.70/x - Step 3: Cross multiply
886,861.30x = 1,330,291.95 × 532,275.70 - Step 4: Simplify right side
886,861.30x = 708,082,078,890.62 - Step 5: Solve for x
x = 708,082,078,890.62/886,861.30 - Step 6: Final answer
x = 798,413.55
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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.