Finding the Fourth Proportional to 707,243.06, 976,183.13 and 435,538.75
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Solution
The fourth proportional to 707,243.06, 976,183.13 and 435,538.75 is: 601,159.07
Step by Step Solution
- Step 1: Write the proportion equation
707,243.06 : 976,183.13 = 435,538.75 : x - Step 2: Convert to fraction form
707,243.06/976,183.13 = 435,538.75/x - Step 3: Cross multiply
707,243.06x = 976,183.13 × 435,538.75 - Step 4: Simplify right side
707,243.06x = 425,165,580,211.29 - Step 5: Solve for x
x = 425,165,580,211.29/707,243.06 - Step 6: Final answer
x = 601,159.07
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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.