Finding the Fourth Proportional to 526,819.48, 727,012.67 and 285,101.98
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Solution
The fourth proportional to 526,819.48, 727,012.67 and 285,101.98 is: 393,441.70
Step by Step Solution
- Step 1: Write the proportion equation
526,819.48 : 727,012.67 = 285,101.98 : x - Step 2: Convert to fraction form
526,819.48/727,012.67 = 285,101.98/x - Step 3: Cross multiply
526,819.48x = 727,012.67 × 285,101.98 - Step 4: Simplify right side
526,819.48x = 207,272,748,459.05 - Step 5: Solve for x
x = 207,272,748,459.05/526,819.48 - Step 6: Final answer
x = 393,441.70
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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.