Finding the Fourth Proportional to 568,296.48, 784,218.48 and 353,430.48
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Solution
The fourth proportional to 568,296.48, 784,218.48 and 353,430.48 is: 487,714.99
Step by Step Solution
- Step 1: Write the proportion equation
568,296.48 : 784,218.48 = 353,430.48 : x - Step 2: Convert to fraction form
568,296.48/784,218.48 = 353,430.48/x - Step 3: Cross multiply
568,296.48x = 784,218.48 × 353,430.48 - Step 4: Simplify right side
568,296.48x = 277,166,713,811.27 - Step 5: Solve for x
x = 277,166,713,811.27/568,296.48 - Step 6: Final answer
x = 487,714.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.