Finding the Fourth Proportional to 982,199.64, 1,355,425.64 and 546,609.68
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Solution
The fourth proportional to 982,199.64, 1,355,425.64 and 546,609.68 is: 754,315.88
Step by Step Solution
- Step 1: Write the proportion equation
982,199.64 : 1,355,425.64 = 546,609.68 : x - Step 2: Convert to fraction form
982,199.64/1,355,425.64 = 546,609.68/x - Step 3: Cross multiply
982,199.64x = 1,355,425.64 × 546,609.68 - Step 4: Simplify right side
982,199.64x = 740,888,780,099.28 - Step 5: Solve for x
x = 740,888,780,099.28/982,199.64 - Step 6: Final answer
x = 754,315.88
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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.