Finding the Fourth Proportional to 724,107.02, 999,278.64 and 401,837.99
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Solution
The fourth proportional to 724,107.02, 999,278.64 and 401,837.99 is: 554,542.50
Step by Step Solution
- Step 1: Write the proportion equation
724,107.02 : 999,278.64 = 401,837.99 : x - Step 2: Convert to fraction form
724,107.02/999,278.64 = 401,837.99/x - Step 3: Cross multiply
724,107.02x = 999,278.64 × 401,837.99 - Step 4: Simplify right side
724,107.02x = 401,548,115,151.14 - Step 5: Solve for x
x = 401,548,115,151.14/724,107.02 - Step 6: Final answer
x = 554,542.50
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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.