Finding the Fourth Proportional to 955,549.31, 1,318,624.99 and 525,789.23
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Solution
The fourth proportional to 955,549.31, 1,318,624.99 and 525,789.23 is: 725,570.94
Step by Step Solution
- Step 1: Write the proportion equation
955,549.31 : 1,318,624.99 = 525,789.23 : x - Step 2: Convert to fraction form
955,549.31/1,318,624.99 = 525,789.23/x - Step 3: Cross multiply
955,549.31x = 1,318,624.99 × 525,789.23 - Step 4: Simplify right side
955,549.31x = 693,318,810,243.26 - Step 5: Solve for x
x = 693,318,810,243.26/955,549.31 - Step 6: Final answer
x = 725,570.94
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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.