Finding the Fourth Proportional to 841,613.79, 1,161,434.45 and 479,060.99
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Solution
The fourth proportional to 841,613.79, 1,161,434.45 and 479,060.99 is: 661,108.39
Step by Step Solution
- Step 1: Write the proportion equation
841,613.79 : 1,161,434.45 = 479,060.99 : x - Step 2: Convert to fraction form
841,613.79/1,161,434.45 = 479,060.99/x - Step 3: Cross multiply
841,613.79x = 1,161,434.45 × 479,060.99 - Step 4: Simplify right side
841,613.79x = 556,397,937,182.97 - Step 5: Solve for x
x = 556,397,937,182.97/841,613.79 - Step 6: Final answer
x = 661,108.39
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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.