Finding the Fourth Proportional to 837,376.26, 1,155,531.87 and 455,402.94
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Solution
The fourth proportional to 837,376.26, 1,155,531.87 and 455,402.94 is: 628,430.30
Step by Step Solution
- Step 1: Write the proportion equation
837,376.26 : 1,155,531.87 = 455,402.94 : x - Step 2: Convert to fraction form
837,376.26/1,155,531.87 = 455,402.94/x - Step 3: Cross multiply
837,376.26x = 1,155,531.87 × 455,402.94 - Step 4: Simplify right side
837,376.26x = 526,232,610,861.70 - Step 5: Solve for x
x = 526,232,610,861.70/837,376.26 - Step 6: Final answer
x = 628,430.30
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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.