Finding the Fourth Proportional to 556,637.67, 768,161.43 and 301,988.84
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Solution
The fourth proportional to 556,637.67, 768,161.43 and 301,988.84 is: 416,745.38
Step by Step Solution
- Step 1: Write the proportion equation
556,637.67 : 768,161.43 = 301,988.84 : x - Step 2: Convert to fraction form
556,637.67/768,161.43 = 301,988.84/x - Step 3: Cross multiply
556,637.67x = 768,161.43 × 301,988.84 - Step 4: Simplify right side
556,637.67x = 231,976,175,337.63 - Step 5: Solve for x
x = 231,976,175,337.63/556,637.67 - Step 6: Final answer
x = 416,745.38
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1.5x scale
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.