Finding the Fourth Proportional to 930,232.80, 1,395,349.20 and 917,791.20
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Solution
The fourth proportional to 930,232.80, 1,395,349.20 and 917,791.20 is: 1,376,686.80
Step by Step Solution
- Step 1: Write the proportion equation
930,232.80 : 1,395,349.20 = 917,791.20 : x - Step 2: Convert to fraction form
930,232.80/1,395,349.20 = 917,791.20/x - Step 3: Cross multiply
930,232.80x = 1,395,349.20 × 917,791.20 - Step 4: Simplify right side
930,232.80x = 1,280,639,216,687.04 - Step 5: Solve for x
x = 1,280,639,216,687.04/930,232.80 - Step 6: Final answer
x = 1,376,686.80
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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.