Finding the Fourth Proportional to 760,621.02, 1,049,617.05 and 416,390.99
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Solution
The fourth proportional to 760,621.02, 1,049,617.05 and 416,390.99 is: 574,597.69
Step by Step Solution
- Step 1: Write the proportion equation
760,621.02 : 1,049,617.05 = 416,390.99 : x - Step 2: Convert to fraction form
760,621.02/1,049,617.05 = 416,390.99/x - Step 3: Cross multiply
760,621.02x = 1,049,617.05 × 416,390.99 - Step 4: Simplify right side
760,621.02x = 437,051,077,322.29 - Step 5: Solve for x
x = 437,051,077,322.29/760,621.02 - Step 6: Final answer
x = 574,597.69
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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.