Finding the Fourth Proportional to 713,639.60, 984,868.24 and 471,497.52
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Solution
The fourth proportional to 713,639.60, 984,868.24 and 471,497.52 is: 650,696.70
Step by Step Solution
- Step 1: Write the proportion equation
713,639.60 : 984,868.24 = 471,497.52 : x - Step 2: Convert to fraction form
713,639.60/984,868.24 = 471,497.52/x - Step 3: Cross multiply
713,639.60x = 984,868.24 × 471,497.52 - Step 4: Simplify right side
713,639.60x = 464,362,932,686.77 - Step 5: Solve for x
x = 464,362,932,686.77/713,639.60 - Step 6: Final answer
x = 650,696.70
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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.