Finding the Fourth Proportional to 857,249.59, 1,283,351.90 and 572,233.20
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Solution
The fourth proportional to 857,249.59, 1,283,351.90 and 572,233.20 is: 856,665.99
Step by Step Solution
- Step 1: Write the proportion equation
857,249.59 : 1,283,351.90 = 572,233.20 : x - Step 2: Convert to fraction form
857,249.59/1,283,351.90 = 572,233.20/x - Step 3: Cross multiply
857,249.59x = 1,283,351.90 × 572,233.20 - Step 4: Simplify right side
857,249.59x = 734,376,564,463.08 - Step 5: Solve for x
x = 734,376,564,463.08/857,249.59 - Step 6: Final answer
x = 856,665.99
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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.