Finding the Fourth Proportional to 749,467.74, 1,034,290.11 and 409,935.98
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Solution
The fourth proportional to 749,467.74, 1,034,290.11 and 409,935.98 is: 565,725.12
Step by Step Solution
- Step 1: Write the proportion equation
749,467.74 : 1,034,290.11 = 409,935.98 : x - Step 2: Convert to fraction form
749,467.74/1,034,290.11 = 409,935.98/x - Step 3: Cross multiply
749,467.74x = 1,034,290.11 × 409,935.98 - Step 4: Simplify right side
749,467.74x = 423,992,729,847.16 - Step 5: Solve for x
x = 423,992,729,847.16/749,467.74 - Step 6: Final answer
x = 565,725.12
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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.