Finding the Fourth Proportional to 627,604.12, 866,064.99 and 355,656.07
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Solution
The fourth proportional to 627,604.12, 866,064.99 and 355,656.07 is: 490,789.12
Step by Step Solution
- Step 1: Write the proportion equation
627,604.12 : 866,064.99 = 355,656.07 : x - Step 2: Convert to fraction form
627,604.12/866,064.99 = 355,656.07/x - Step 3: Cross multiply
627,604.12x = 866,064.99 × 355,656.07 - Step 4: Simplify right side
627,604.12x = 308,021,270,707.99 - Step 5: Solve for x
x = 308,021,270,707.99/627,604.12 - Step 6: Final answer
x = 490,789.12
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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.