Finding the Fourth Proportional to 627,821.41, 866,389.16 and 341,341.49
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Solution
The fourth proportional to 627,821.41, 866,389.16 and 341,341.49 is: 471,048.88
Step by Step Solution
- Step 1: Write the proportion equation
627,821.41 : 866,389.16 = 341,341.49 : x - Step 2: Convert to fraction form
627,821.41/866,389.16 = 341,341.49/x - Step 3: Cross multiply
627,821.41x = 866,389.16 × 341,341.49 - Step 4: Simplify right side
627,821.41x = 295,734,569,813.58 - Step 5: Solve for x
x = 295,734,569,813.58/627,821.41 - Step 6: Final answer
x = 471,048.88
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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.