Finding the Fourth Proportional to 749,272.07, 1,033,305.33 and 491,054.96
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Solution
The fourth proportional to 749,272.07, 1,033,305.33 and 491,054.96 is: 677,203.55
Step by Step Solution
- Step 1: Write the proportion equation
749,272.07 : 1,033,305.33 = 491,054.96 : x - Step 2: Convert to fraction form
749,272.07/1,033,305.33 = 491,054.96/x - Step 3: Cross multiply
749,272.07x = 1,033,305.33 × 491,054.96 - Step 4: Simplify right side
749,272.07x = 507,409,704,722.22 - Step 5: Solve for x
x = 507,409,704,722.22/749,272.07 - Step 6: Final answer
x = 677,203.55
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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.