Finding the Fourth Proportional to 724,267.62, 999,489.24 and 401,977.62
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Solution
The fourth proportional to 724,267.62, 999,489.24 and 401,977.62 is: 554,729.07
Step by Step Solution
- Step 1: Write the proportion equation
724,267.62 : 999,489.24 = 401,977.62 : x - Step 2: Convert to fraction form
724,267.62/999,489.24 = 401,977.62/x - Step 3: Cross multiply
724,267.62x = 999,489.24 × 401,977.62 - Step 4: Simplify right side
724,267.62x = 401,772,305,910.81 - Step 5: Solve for x
x = 401,772,305,910.81/724,267.62 - Step 6: Final answer
x = 554,729.07
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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.