Finding the Fourth Proportional to 773,529.20, 1,159,372.20 and 324,249.20
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Solution
The fourth proportional to 773,529.20, 1,159,372.20 and 324,249.20 is: 485,987.48
Step by Step Solution
- Step 1: Write the proportion equation
773,529.20 : 1,159,372.20 = 324,249.20 : x - Step 2: Convert to fraction form
773,529.20/1,159,372.20 = 324,249.20/x - Step 3: Cross multiply
773,529.20x = 1,159,372.20 × 324,249.20 - Step 4: Simplify right side
773,529.20x = 375,925,508,352.24 - Step 5: Solve for x
x = 375,925,508,352.24/773,529.20 - Step 6: Final answer
x = 485,987.48
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1.5x scale
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.