Finding the Fourth Proportional to 837,225.09, 1,155,376.64 and 455,249.14
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Solution
The fourth proportional to 837,225.09, 1,155,376.64 and 455,249.14 is: 628,247.07
Step by Step Solution
- Step 1: Write the proportion equation
837,225.09 : 1,155,376.64 = 455,249.14 : x - Step 2: Convert to fraction form
837,225.09/1,155,376.64 = 455,249.14/x - Step 3: Cross multiply
837,225.09x = 1,155,376.64 × 455,249.14 - Step 4: Simplify right side
837,225.09x = 525,984,213,682.96 - Step 5: Solve for x
x = 525,984,213,682.96/837,225.09 - Step 6: Final answer
x = 628,247.07
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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.