Finding the Fourth Proportional to 809,805.06, 1,214,934.60 and 354,435.95
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Solution
The fourth proportional to 809,805.06, 1,214,934.60 and 354,435.95 is: 531,753.28
Step by Step Solution
- Step 1: Write the proportion equation
809,805.06 : 1,214,934.60 = 354,435.95 : x - Step 2: Convert to fraction form
809,805.06/1,214,934.60 = 354,435.95/x - Step 3: Cross multiply
809,805.06x = 1,214,934.60 × 354,435.95 - Step 4: Simplify right side
809,805.06x = 430,616,499,138.87 - Step 5: Solve for x
x = 430,616,499,138.87/809,805.06 - Step 6: Final answer
x = 531,753.28
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.