Finding the Fourth Proportional to 724,373.26, 999,585.07 and 402,057.99
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Solution
The fourth proportional to 724,373.26, 999,585.07 and 402,057.99 is: 554,812.26
Step by Step Solution
- Step 1: Write the proportion equation
724,373.26 : 999,585.07 = 402,057.99 : x - Step 2: Convert to fraction form
724,373.26/999,585.07 = 402,057.99/x - Step 3: Cross multiply
724,373.26x = 999,585.07 × 402,057.99 - Step 4: Simplify right side
724,373.26x = 401,891,164,078.21 - Step 5: Solve for x
x = 401,891,164,078.21/724,373.26 - Step 6: Final answer
x = 554,812.26
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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.