Finding the Fourth Proportional to 1,005,871.79, 1,508,660.06 and 331,975.08
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Solution
The fourth proportional to 1,005,871.79, 1,508,660.06 and 331,975.08 is: 497,913.90
Step by Step Solution
- Step 1: Write the proportion equation
1,005,871.79 : 1,508,660.06 = 331,975.08 : x - Step 2: Convert to fraction form
1,005,871.79/1,508,660.06 = 331,975.08/x - Step 3: Cross multiply
1,005,871.79x = 1,508,660.06 × 331,975.08 - Step 4: Simplify right side
1,005,871.79x = 500,837,542,451.43 - Step 5: Solve for x
x = 500,837,542,451.43/1,005,871.79 - Step 6: Final answer
x = 497,913.90
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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.