Finding the Fourth Proportional to 959,579.36, 1,440,246.96 and 486,591.20
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Solution
The fourth proportional to 959,579.36, 1,440,246.96 and 486,591.20 is: 730,331.98
Step by Step Solution
- Step 1: Write the proportion equation
959,579.36 : 1,440,246.96 = 486,591.20 : x - Step 2: Convert to fraction form
959,579.36/1,440,246.96 = 486,591.20/x - Step 3: Cross multiply
959,579.36x = 1,440,246.96 × 486,591.20 - Step 4: Simplify right side
959,579.36x = 700,811,496,562.75 - Step 5: Solve for x
x = 700,811,496,562.75/959,579.36 - Step 6: Final answer
x = 730,331.98
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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.