Finding the Fourth Proportional to 1,151,958.86, 1,728,709.62 and 478,040.84
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Solution
The fourth proportional to 1,151,958.86, 1,728,709.62 and 478,040.84 is: 717,381.35
Step by Step Solution
- Step 1: Write the proportion equation
1,151,958.86 : 1,728,709.62 = 478,040.84 : x - Step 2: Convert to fraction form
1,151,958.86/1,728,709.62 = 478,040.84/x - Step 3: Cross multiply
1,151,958.86x = 1,728,709.62 × 478,040.84 - Step 4: Simplify right side
1,151,958.86x = 826,393,798,860.88 - Step 5: Solve for x
x = 826,393,798,860.88/1,151,958.86 - Step 6: Final answer
x = 717,381.35
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.