Finding the Fourth Proportional to 575,879.80, 794,713.58 and 321,230.84
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Solution
The fourth proportional to 575,879.80, 794,713.58 and 321,230.84 is: 443,298.26
Step by Step Solution
- Step 1: Write the proportion equation
575,879.80 : 794,713.58 = 321,230.84 : x - Step 2: Convert to fraction form
575,879.80/794,713.58 = 321,230.84/x - Step 3: Cross multiply
575,879.80x = 794,713.58 × 321,230.84 - Step 4: Simplify right side
575,879.80x = 255,286,510,862.81 - Step 5: Solve for x
x = 255,286,510,862.81/575,879.80 - Step 6: Final answer
x = 443,298.26
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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.