Finding the Fourth Proportional to 427,649.17, 641,030.85 and 351,974.19
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Solution
The fourth proportional to 427,649.17, 641,030.85 and 351,974.19 is: 527,596.75
Step by Step Solution
- Step 1: Write the proportion equation
427,649.17 : 641,030.85 = 351,974.19 : x - Step 2: Convert to fraction form
427,649.17/641,030.85 = 351,974.19/x - Step 3: Cross multiply
427,649.17x = 641,030.85 × 351,974.19 - Step 4: Simplify right side
427,649.17x = 225,626,314,193.76 - Step 5: Solve for x
x = 225,626,314,193.76/427,649.17 - Step 6: Final answer
x = 527,596.75
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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.