Finding the Fourth Proportional to 1,503,816.21, 2,254,823.37 and 478,703.60
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Solution
The fourth proportional to 1,503,816.21, 2,254,823.37 and 478,703.60 is: 717,768.61
Step by Step Solution
- Step 1: Write the proportion equation
1,503,816.21 : 2,254,823.37 = 478,703.60 : x - Step 2: Convert to fraction form
1,503,816.21/2,254,823.37 = 478,703.60/x - Step 3: Cross multiply
1,503,816.21x = 2,254,823.37 × 478,703.60 - Step 4: Simplify right side
1,503,816.21x = 1,079,392,064,583.13 - Step 5: Solve for x
x = 1,079,392,064,583.13/1,503,816.21 - Step 6: Final answer
x = 717,768.61
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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.