Finding the Fourth Proportional to 724,844.97, 1,000,786.46 and 453,035.03
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Solution
The fourth proportional to 724,844.97, 1,000,786.46 and 453,035.03 is: 625,501.09
Step by Step Solution
- Step 1: Write the proportion equation
724,844.97 : 1,000,786.46 = 453,035.03 : x - Step 2: Convert to fraction form
724,844.97/1,000,786.46 = 453,035.03/x - Step 3: Cross multiply
724,844.97x = 1,000,786.46 × 453,035.03 - Step 4: Simplify right side
724,844.97x = 453,391,316,660.59 - Step 5: Solve for x
x = 453,391,316,660.59/724,844.97 - Step 6: Final answer
x = 625,501.09
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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.