Finding the Fourth Proportional to 651,493.60, 976,948.80 and 296,324.80
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Solution
The fourth proportional to 651,493.60, 976,948.80 and 296,324.80 is: 444,354.57
Step by Step Solution
- Step 1: Write the proportion equation
651,493.60 : 976,948.80 = 296,324.80 : x - Step 2: Convert to fraction form
651,493.60/976,948.80 = 296,324.80/x - Step 3: Cross multiply
651,493.60x = 976,948.80 × 296,324.80 - Step 4: Simplify right side
651,493.60x = 289,494,157,770.24 - Step 5: Solve for x
x = 289,494,157,770.24/651,493.60 - Step 6: Final answer
x = 444,354.57
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1.5x scale
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.