Finding the Fourth Proportional to 1,767,208.40, 2,650,812.56 and 437,512.40
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Solution
The fourth proportional to 1,767,208.40, 2,650,812.56 and 437,512.40 is: 656,268.59
Step by Step Solution
- Step 1: Write the proportion equation
1,767,208.40 : 2,650,812.56 = 437,512.40 : x - Step 2: Convert to fraction form
1,767,208.40/2,650,812.56 = 437,512.40/x - Step 3: Cross multiply
1,767,208.40x = 2,650,812.56 × 437,512.40 - Step 4: Simplify right side
1,767,208.40x = 1,159,763,365,075.74 - Step 5: Solve for x
x = 1,159,763,365,075.74/1,767,208.40 - Step 6: Final answer
x = 656,268.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.