Finding the Fourth Proportional to 809,781.80, 1,214,672.70 and 366,549.80
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Solution
The fourth proportional to 809,781.80, 1,214,672.70 and 366,549.80 is: 549,824.70
Step by Step Solution
- Step 1: Write the proportion equation
809,781.80 : 1,214,672.70 = 366,549.80 : x - Step 2: Convert to fraction form
809,781.80/1,214,672.70 = 366,549.80/x - Step 3: Cross multiply
809,781.80x = 1,214,672.70 × 366,549.80 - Step 4: Simplify right side
809,781.80x = 445,238,035,250.46 - Step 5: Solve for x
x = 445,238,035,250.46/809,781.80 - Step 6: Final answer
x = 549,824.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.