Finding the Fourth Proportional to 724,629.34, 1,086,372.35 and 457,827.49
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Solution
The fourth proportional to 724,629.34, 1,086,372.35 and 457,827.49 is: 686,380.06
Step by Step Solution
- Step 1: Write the proportion equation
724,629.34 : 1,086,372.35 = 457,827.49 : x - Step 2: Convert to fraction form
724,629.34/1,086,372.35 = 457,827.49/x - Step 3: Cross multiply
724,629.34x = 1,086,372.35 × 457,827.49 - Step 4: Simplify right side
724,629.34x = 497,371,129,566.86 - Step 5: Solve for x
x = 497,371,129,566.86/724,629.34 - Step 6: Final answer
x = 686,380.06
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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.