Finding the Fourth Proportional to 707,970.68, 976,044.30 and 685,955.96
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Solution
The fourth proportional to 707,970.68, 976,044.30 and 685,955.96 is: 945,693.69
Step by Step Solution
- Step 1: Write the proportion equation
707,970.68 : 976,044.30 = 685,955.96 : x - Step 2: Convert to fraction form
707,970.68/976,044.30 = 685,955.96/x - Step 3: Cross multiply
707,970.68x = 976,044.30 × 685,955.96 - Step 4: Simplify right side
707,970.68x = 669,523,404,809.03 - Step 5: Solve for x
x = 669,523,404,809.03/707,970.68 - Step 6: Final answer
x = 945,693.69
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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.