Finding the Fourth Proportional to 1,079,289.76, 1,618,652.42 and 320,926.98
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Solution
The fourth proportional to 1,079,289.76, 1,618,652.42 and 320,926.98 is: 481,306.55
Step by Step Solution
- Step 1: Write the proportion equation
1,079,289.76 : 1,618,652.42 = 320,926.98 : x - Step 2: Convert to fraction form
1,079,289.76/1,618,652.42 = 320,926.98/x - Step 3: Cross multiply
1,079,289.76x = 1,618,652.42 × 320,926.98 - Step 4: Simplify right side
1,079,289.76x = 519,469,232,820.29 - Step 5: Solve for x
x = 519,469,232,820.29/1,079,289.76 - Step 6: Final answer
x = 481,306.55
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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.