Finding the Fourth Proportional to 832,893.60, 1,248,757.20 and 327,259.20
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Solution
The fourth proportional to 832,893.60, 1,248,757.20 and 327,259.20 is: 490,659.65
Step by Step Solution
- Step 1: Write the proportion equation
832,893.60 : 1,248,757.20 = 327,259.20 : x - Step 2: Convert to fraction form
832,893.60/1,248,757.20 = 327,259.20/x - Step 3: Cross multiply
832,893.60x = 1,248,757.20 × 327,259.20 - Step 4: Simplify right side
832,893.60x = 408,667,282,266.24 - Step 5: Solve for x
x = 408,667,282,266.24/832,893.60 - Step 6: Final answer
x = 490,659.65
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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.