Finding the Fourth Proportional to 809,487.72, 1,214,248.06 and 277,620.12
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Solution
The fourth proportional to 809,487.72, 1,214,248.06 and 277,620.12 is: 416,435.83
Step by Step Solution
- Step 1: Write the proportion equation
809,487.72 : 1,214,248.06 = 277,620.12 : x - Step 2: Convert to fraction form
809,487.72/1,214,248.06 = 277,620.12/x - Step 3: Cross multiply
809,487.72x = 1,214,248.06 × 277,620.12 - Step 4: Simplify right side
809,487.72x = 337,099,692,126.97 - Step 5: Solve for x
x = 337,099,692,126.97/809,487.72 - Step 6: Final answer
x = 416,435.83
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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.