Finding the Fourth Proportional to 837,204.44, 1,155,335.94 and 455,231.12
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Solution
The fourth proportional to 837,204.44, 1,155,335.94 and 455,231.12 is: 628,215.58
Step by Step Solution
- Step 1: Write the proportion equation
837,204.44 : 1,155,335.94 = 455,231.12 : x - Step 2: Convert to fraction form
837,204.44/1,155,335.94 = 455,231.12/x - Step 3: Cross multiply
837,204.44x = 1,155,335.94 × 455,231.12 - Step 4: Simplify right side
837,204.44x = 525,944,868,165.77 - Step 5: Solve for x
x = 525,944,868,165.77/837,204.44 - Step 6: Final answer
x = 628,215.58
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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.