Finding the Fourth Proportional to 1,503,576.51, 2,255,251.34 and 478,865.39
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Solution
The fourth proportional to 1,503,576.51, 2,255,251.34 and 478,865.39 is: 718,261.96
Step by Step Solution
- Step 1: Write the proportion equation
1,503,576.51 : 2,255,251.34 = 478,865.39 : x - Step 2: Convert to fraction form
1,503,576.51/2,255,251.34 = 478,865.39/x - Step 3: Cross multiply
1,503,576.51x = 2,255,251.34 × 478,865.39 - Step 4: Simplify right side
1,503,576.51x = 1,079,961,802,398.03 - Step 5: Solve for x
x = 1,079,961,802,398.03/1,503,576.51 - Step 6: Final answer
x = 718,261.96
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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.