Finding the Fourth Proportional to 929,792.26, 1,283,145.44 and 516,336
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Solution
The fourth proportional to 929,792.26, 1,283,145.44 and 516,336 is: 712,561.52
Step by Step Solution
- Step 1: Write the proportion equation
929,792.26 : 1,283,145.44 = 516,336 : x - Step 2: Convert to fraction form
929,792.26/1,283,145.44 = 516,336/x - Step 3: Cross multiply
929,792.26x = 1,283,145.44 × 516,336 - Step 4: Simplify right side
929,792.26x = 662,534,183,907.84 - Step 5: Solve for x
x = 662,534,183,907.84/929,792.26 - Step 6: Final answer
x = 712,561.52
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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.