Finding the Fourth Proportional to 516,536.76, 775,038.69 and 263,686.77
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Solution
The fourth proportional to 516,536.76, 775,038.69 and 263,686.77 is: 395,649.38
Step by Step Solution
- Step 1: Write the proportion equation
516,536.76 : 775,038.69 = 263,686.77 : x - Step 2: Convert to fraction form
516,536.76/775,038.69 = 263,686.77/x - Step 3: Cross multiply
516,536.76x = 775,038.69 × 263,686.77 - Step 4: Simplify right side
516,536.76x = 204,367,448,791.13 - Step 5: Solve for x
x = 204,367,448,791.13/516,536.76 - Step 6: Final answer
x = 395,649.38
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.