Finding the Fourth Proportional to 724,029.21, 999,160.20 and 401,741.55
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Solution
The fourth proportional to 724,029.21, 999,160.20 and 401,741.55 is: 554,403.28
Step by Step Solution
- Step 1: Write the proportion equation
724,029.21 : 999,160.20 = 401,741.55 : x - Step 2: Convert to fraction form
724,029.21/999,160.20 = 401,741.55/x - Step 3: Cross multiply
724,029.21x = 999,160.20 × 401,741.55 - Step 4: Simplify right side
724,029.21x = 401,404,167,446.31 - Step 5: Solve for x
x = 401,404,167,446.31/724,029.21 - Step 6: Final answer
x = 554,403.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.