Finding the Fourth Proportional to 673,217.28, 929,044.80 and 371,422.08
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Solution
The fourth proportional to 673,217.28, 929,044.80 and 371,422.08 is: 512,565.20
Step by Step Solution
- Step 1: Write the proportion equation
673,217.28 : 929,044.80 = 371,422.08 : x - Step 2: Convert to fraction form
673,217.28/929,044.80 = 371,422.08/x - Step 3: Cross multiply
673,217.28x = 929,044.80 × 371,422.08 - Step 4: Simplify right side
673,217.28x = 345,067,752,029.18 - Step 5: Solve for x
x = 345,067,752,029.18/673,217.28 - Step 6: Final answer
x = 512,565.20
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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.