Finding the Fourth Proportional to 760,609.74, 1,049,599.80 and 416,379.09
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Solution
The fourth proportional to 760,609.74, 1,049,599.80 and 416,379.09 is: 574,580.35
Step by Step Solution
- Step 1: Write the proportion equation
760,609.74 : 1,049,599.80 = 416,379.09 : x - Step 2: Convert to fraction form
760,609.74/1,049,599.80 = 416,379.09/x - Step 3: Cross multiply
760,609.74x = 1,049,599.80 × 416,379.09 - Step 4: Simplify right side
760,609.74x = 437,031,409,588.18 - Step 5: Solve for x
x = 437,031,409,588.18/760,609.74 - Step 6: Final answer
x = 574,580.35
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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.