Finding the Fourth Proportional to 680,578.08, 1,020,909.12 and 207,298.24
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Solution
The fourth proportional to 680,578.08, 1,020,909.12 and 207,298.24 is: 310,960.15
Step by Step Solution
- Step 1: Write the proportion equation
680,578.08 : 1,020,909.12 = 207,298.24 : x - Step 2: Convert to fraction form
680,578.08/1,020,909.12 = 207,298.24/x - Step 3: Cross multiply
680,578.08x = 1,020,909.12 × 207,298.24 - Step 4: Simplify right side
680,578.08x = 211,632,663,775.95 - Step 5: Solve for x
x = 211,632,663,775.95/680,578.08 - Step 6: Final answer
x = 310,960.15
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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.