Finding the Fourth Proportional to 631,988.91, 872,144.54 and 345,508.99
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Solution
The fourth proportional to 631,988.91, 872,144.54 and 345,508.99 is: 476,802.33
Step by Step Solution
- Step 1: Write the proportion equation
631,988.91 : 872,144.54 = 345,508.99 : x - Step 2: Convert to fraction form
631,988.91/872,144.54 = 345,508.99/x - Step 3: Cross multiply
631,988.91x = 872,144.54 × 345,508.99 - Step 4: Simplify right side
631,988.91x = 301,333,782,414.72 - Step 5: Solve for x
x = 301,333,782,414.72/631,988.91 - Step 6: Final answer
x = 476,802.33
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.