Finding the Fourth Proportional to 587,537.80, 881,306.70 and 421,649.80
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Solution
The fourth proportional to 587,537.80, 881,306.70 and 421,649.80 is: 632,474.70
Step by Step Solution
- Step 1: Write the proportion equation
587,537.80 : 881,306.70 = 421,649.80 : x - Step 2: Convert to fraction form
587,537.80/881,306.70 = 421,649.80/x - Step 3: Cross multiply
587,537.80x = 881,306.70 × 421,649.80 - Step 4: Simplify right side
587,537.80x = 371,602,793,793.66 - Step 5: Solve for x
x = 371,602,793,793.66/587,537.80 - Step 6: Final answer
x = 632,474.70
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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.