Finding the Fourth Proportional to 871,593.84, 1,202,668.56 and 489,547.44
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Solution
The fourth proportional to 871,593.84, 1,202,668.56 and 489,547.44 is: 675,501.92
Step by Step Solution
- Step 1: Write the proportion equation
871,593.84 : 1,202,668.56 = 489,547.44 : x - Step 2: Convert to fraction form
871,593.84/1,202,668.56 = 489,547.44/x - Step 3: Cross multiply
871,593.84x = 1,202,668.56 × 489,547.44 - Step 4: Simplify right side
871,593.84x = 588,763,314,716.49 - Step 5: Solve for x
x = 588,763,314,716.49/871,593.84 - Step 6: Final answer
x = 675,501.92
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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.