Finding the Fourth Proportional to 837,451.70, 1,155,697.98 and 455,481.08
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Solution
The fourth proportional to 837,451.70, 1,155,697.98 and 455,481.08 is: 628,571.85
Step by Step Solution
- Step 1: Write the proportion equation
837,451.70 : 1,155,697.98 = 455,481.08 : x - Step 2: Convert to fraction form
837,451.70/1,155,697.98 = 455,481.08/x - Step 3: Cross multiply
837,451.70x = 1,155,697.98 × 455,481.08 - Step 4: Simplify right side
837,451.70x = 526,398,564,084.22 - Step 5: Solve for x
x = 526,398,564,084.22/837,451.70 - Step 6: Final answer
x = 628,571.85
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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.