Finding the Fourth Proportional to 920,511.86, 1,269,651.99 and 614,433.92
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Solution
The fourth proportional to 920,511.86, 1,269,651.99 and 614,433.92 is: 847,482.02
Step by Step Solution
- Step 1: Write the proportion equation
920,511.86 : 1,269,651.99 = 614,433.92 : x - Step 2: Convert to fraction form
920,511.86/1,269,651.99 = 614,433.92/x - Step 3: Cross multiply
920,511.86x = 1,269,651.99 × 614,433.92 - Step 4: Simplify right side
920,511.86x = 780,117,242,903.24 - Step 5: Solve for x
x = 780,117,242,903.24/920,511.86 - Step 6: Final answer
x = 847,482.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.