Finding the Fourth Proportional to 692,274.43, 955,351.16 and 406,000.99
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Solution
The fourth proportional to 692,274.43, 955,351.16 and 406,000.99 is: 560,288.66
Step by Step Solution
- Step 1: Write the proportion equation
692,274.43 : 955,351.16 = 406,000.99 : x - Step 2: Convert to fraction form
692,274.43/955,351.16 = 406,000.99/x - Step 3: Cross multiply
692,274.43x = 955,351.16 × 406,000.99 - Step 4: Simplify right side
692,274.43x = 387,873,514,727.64 - Step 5: Solve for x
x = 387,873,514,727.64/692,274.43 - Step 6: Final answer
x = 560,288.66
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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.