Finding the Fourth Proportional to 855,677.26, 1,180,958.16 and 493,031.62
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Solution
The fourth proportional to 855,677.26, 1,180,958.16 and 493,031.62 is: 680,454.82
Step by Step Solution
- Step 1: Write the proportion equation
855,677.26 : 1,180,958.16 = 493,031.62 : x - Step 2: Convert to fraction form
855,677.26/1,180,958.16 = 493,031.62/x - Step 3: Cross multiply
855,677.26x = 1,180,958.16 × 493,031.62 - Step 4: Simplify right side
855,677.26x = 582,249,714,777.02 - Step 5: Solve for x
x = 582,249,714,777.02/855,677.26 - Step 6: Final answer
x = 680,454.82
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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.