Finding the Fourth Proportional to 869,092.80, 1,303,639.20 and 806,107.20
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Solution
The fourth proportional to 869,092.80, 1,303,639.20 and 806,107.20 is: 1,209,160.80
Step by Step Solution
- Step 1: Write the proportion equation
869,092.80 : 1,303,639.20 = 806,107.20 : x - Step 2: Convert to fraction form
869,092.80/1,303,639.20 = 806,107.20/x - Step 3: Cross multiply
869,092.80x = 1,303,639.20 × 806,107.20 - Step 4: Simplify right side
869,092.80x = 1,050,872,945,322.24 - Step 5: Solve for x
x = 1,050,872,945,322.24/869,092.80 - Step 6: Final answer
x = 1,209,160.80
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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.