Finding the Fourth Proportional to 815,484.63, 1,125,382.70 and 447,977.26
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Solution
The fourth proportional to 815,484.63, 1,125,382.70 and 447,977.26 is: 618,216.27
Step by Step Solution
- Step 1: Write the proportion equation
815,484.63 : 1,125,382.70 = 447,977.26 : x - Step 2: Convert to fraction form
815,484.63/1,125,382.70 = 447,977.26/x - Step 3: Cross multiply
815,484.63x = 1,125,382.70 × 447,977.26 - Step 4: Simplify right side
815,484.63x = 504,145,862,470.18 - Step 5: Solve for x
x = 504,145,862,470.18/815,484.63 - Step 6: Final answer
x = 618,216.27
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.