Finding the Fourth Proportional to 1,027,644.74, 1,541,614.81 and 317,728.14
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Solution
The fourth proportional to 1,027,644.74, 1,541,614.81 and 317,728.14 is: 476,637.88
Step by Step Solution
- Step 1: Write the proportion equation
1,027,644.74 : 1,541,614.81 = 317,728.14 : x - Step 2: Convert to fraction form
1,027,644.74/1,541,614.81 = 317,728.14/x - Step 3: Cross multiply
1,027,644.74x = 1,541,614.81 × 317,728.14 - Step 4: Simplify right side
1,027,644.74x = 489,814,406,177.75 - Step 5: Solve for x
x = 489,814,406,177.75/1,027,644.74 - Step 6: Final answer
x = 476,637.88
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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.