Finding the Fourth Proportional to 760,620.84, 1,049,616.80 and 416,390.80
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Solution
The fourth proportional to 760,620.84, 1,049,616.80 and 416,390.80 is: 574,597.42
Step by Step Solution
- Step 1: Write the proportion equation
760,620.84 : 1,049,616.80 = 416,390.80 : x - Step 2: Convert to fraction form
760,620.84/1,049,616.80 = 416,390.80/x - Step 3: Cross multiply
760,620.84x = 1,049,616.80 × 416,390.80 - Step 4: Simplify right side
760,620.84x = 437,050,774,339.44 - Step 5: Solve for x
x = 437,050,774,339.44/760,620.84 - Step 6: Final answer
x = 574,597.42
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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.