Finding the Fourth Proportional to 625,070.80, 862,601.84 and 338,590.88
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Solution
The fourth proportional to 625,070.80, 862,601.84 and 338,590.88 is: 467,257.65
Step by Step Solution
- Step 1: Write the proportion equation
625,070.80 : 862,601.84 = 338,590.88 : x - Step 2: Convert to fraction form
625,070.80/862,601.84 = 338,590.88/x - Step 3: Cross multiply
625,070.80x = 862,601.84 × 338,590.88 - Step 4: Simplify right side
625,070.80x = 292,069,112,245.76 - Step 5: Solve for x
x = 292,069,112,245.76/625,070.80 - Step 6: Final answer
x = 467,257.65
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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.