Finding the Fourth Proportional to 911,067.03, 1,257,249.65 and 497,586.65
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Solution
The fourth proportional to 911,067.03, 1,257,249.65 and 497,586.65 is: 686,657.09
Step by Step Solution
- Step 1: Write the proportion equation
911,067.03 : 1,257,249.65 = 497,586.65 : x - Step 2: Convert to fraction form
911,067.03/1,257,249.65 = 497,586.65/x - Step 3: Cross multiply
911,067.03x = 1,257,249.65 × 497,586.65 - Step 4: Simplify right side
911,067.03x = 625,590,632,782.99 - Step 5: Solve for x
x = 625,590,632,782.99/911,067.03 - Step 6: Final answer
x = 686,657.09
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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.