Finding the Fourth Proportional to 623,727.20, 935,372.10 and 324,108.20
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Solution
The fourth proportional to 623,727.20, 935,372.10 and 324,108.20 is: 486,048.66
Step by Step Solution
- Step 1: Write the proportion equation
623,727.20 : 935,372.10 = 324,108.20 : x - Step 2: Convert to fraction form
623,727.20/935,372.10 = 324,108.20/x - Step 3: Cross multiply
623,727.20x = 935,372.10 × 324,108.20 - Step 4: Simplify right side
623,727.20x = 303,161,767,661.22 - Step 5: Solve for x
x = 303,161,767,661.22/623,727.20 - Step 6: Final answer
x = 486,048.66
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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.