Finding the Fourth Proportional to 755,249.19, 1,042,343.42 and 453,462.63
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Solution
The fourth proportional to 755,249.19, 1,042,343.42 and 453,462.63 is: 625,838.19
Step by Step Solution
- Step 1: Write the proportion equation
755,249.19 : 1,042,343.42 = 453,462.63 : x - Step 2: Convert to fraction form
755,249.19/1,042,343.42 = 453,462.63/x - Step 3: Cross multiply
755,249.19x = 1,042,343.42 × 453,462.63 - Step 4: Simplify right side
755,249.19x = 472,663,786,329.08 - Step 5: Solve for x
x = 472,663,786,329.08/755,249.19 - Step 6: Final answer
x = 625,838.19
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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.