Finding the Fourth Proportional to 871,612.47, 1,202,479.34 and 504,021.68
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Solution
The fourth proportional to 871,612.47, 1,202,479.34 and 504,021.68 is: 695,349.92
Step by Step Solution
- Step 1: Write the proportion equation
871,612.47 : 1,202,479.34 = 504,021.68 : x - Step 2: Convert to fraction form
871,612.47/1,202,479.34 = 504,021.68/x - Step 3: Cross multiply
871,612.47x = 1,202,479.34 × 504,021.68 - Step 4: Simplify right side
871,612.47x = 606,075,657,112.09 - Step 5: Solve for x
x = 606,075,657,112.09/871,612.47 - Step 6: Final answer
x = 695,349.92
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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.