Finding the Fourth Proportional to 1,503,676.62, 2,254,768.70 and 478,873.35
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Solution
The fourth proportional to 1,503,676.62, 2,254,768.70 and 478,873.35 is: 718,072.37
Step by Step Solution
- Step 1: Write the proportion equation
1,503,676.62 : 2,254,768.70 = 478,873.35 : x - Step 2: Convert to fraction form
1,503,676.62/2,254,768.70 = 478,873.35/x - Step 3: Cross multiply
1,503,676.62x = 2,254,768.70 × 478,873.35 - Step 4: Simplify right side
1,503,676.62x = 1,079,748,638,449.78 - Step 5: Solve for x
x = 1,079,748,638,449.78/1,503,676.62 - Step 6: Final answer
x = 718,072.37
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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.