Finding the Fourth Proportional to 837,593.79, 1,155,874.23 and 455,622.09
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Solution
The fourth proportional to 837,593.79, 1,155,874.23 and 455,622.09 is: 628,755.66
Step by Step Solution
- Step 1: Write the proportion equation
837,593.79 : 1,155,874.23 = 455,622.09 : x - Step 2: Convert to fraction form
837,593.79/1,155,874.23 = 455,622.09/x - Step 3: Cross multiply
837,593.79x = 1,155,874.23 × 455,622.09 - Step 4: Simplify right side
837,593.79x = 526,641,832,449.74 - Step 5: Solve for x
x = 526,641,832,449.74/837,593.79 - Step 6: Final answer
x = 628,755.66
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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.