Finding the Fourth Proportional to 1,053,990.44, 1,580,989.41 and 255,272.52
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Solution
The fourth proportional to 1,053,990.44, 1,580,989.41 and 255,272.52 is: 382,909.69
Step by Step Solution
- Step 1: Write the proportion equation
1,053,990.44 : 1,580,989.41 = 255,272.52 : x - Step 2: Convert to fraction form
1,053,990.44/1,580,989.41 = 255,272.52/x - Step 3: Cross multiply
1,053,990.44x = 1,580,989.41 × 255,272.52 - Step 4: Simplify right side
1,053,990.44x = 403,583,150,784.01 - Step 5: Solve for x
x = 403,583,150,784.01/1,053,990.44 - Step 6: Final answer
x = 382,909.69
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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.