Finding the Fourth Proportional to 627,939.11, 866,593.76 and 369,987.95
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Solution
The fourth proportional to 627,939.11, 866,593.76 and 369,987.95 is: 510,605.63
Step by Step Solution
- Step 1: Write the proportion equation
627,939.11 : 866,593.76 = 369,987.95 : x - Step 2: Convert to fraction form
627,939.11/866,593.76 = 369,987.95/x - Step 3: Cross multiply
627,939.11x = 866,593.76 × 369,987.95 - Step 4: Simplify right side
627,939.11x = 320,629,249,061.74 - Step 5: Solve for x
x = 320,629,249,061.74/627,939.11 - Step 6: Final answer
x = 510,605.63
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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.