Finding the Fourth Proportional to 427,648.17, 641,029.35 and 351,973.19
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Solution
The fourth proportional to 427,648.17, 641,029.35 and 351,973.19 is: 527,595.26
Step by Step Solution
- Step 1: Write the proportion equation
427,648.17 : 641,029.35 = 351,973.19 : x - Step 2: Convert to fraction form
427,648.17/641,029.35 = 351,973.19/x - Step 3: Cross multiply
427,648.17x = 641,029.35 × 351,973.19 - Step 4: Simplify right side
427,648.17x = 225,625,146,805.70 - Step 5: Solve for x
x = 225,625,146,805.70/427,648.17 - Step 6: Final answer
x = 527,595.26
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.