Finding the Fourth Proportional to 707,198.34, 975,492.99 and 431,430.19
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Solution
The fourth proportional to 707,198.34, 975,492.99 and 431,430.19 is: 595,104.80
Step by Step Solution
- Step 1: Write the proportion equation
707,198.34 : 975,492.99 = 431,430.19 : x - Step 2: Convert to fraction form
707,198.34/975,492.99 = 431,430.19/x - Step 3: Cross multiply
707,198.34x = 975,492.99 × 431,430.19 - Step 4: Simplify right side
707,198.34x = 420,857,126,019.37 - Step 5: Solve for x
x = 420,857,126,019.37/707,198.34 - Step 6: Final answer
x = 595,104.80
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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.