Finding the Fourth Proportional to 793,600.70, 1,188,651.45 and 688,624.70
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Solution
The fourth proportional to 793,600.70, 1,188,651.45 and 688,624.70 is: 1,031,418.88
Step by Step Solution
- Step 1: Write the proportion equation
793,600.70 : 1,188,651.45 = 688,624.70 : x - Step 2: Convert to fraction form
793,600.70/1,188,651.45 = 688,624.70/x - Step 3: Cross multiply
793,600.70x = 1,188,651.45 × 688,624.70 - Step 4: Simplify right side
793,600.70x = 818,534,748,160.82 - Step 5: Solve for x
x = 818,534,748,160.82/793,600.70 - Step 6: Final answer
x = 1,031,418.88
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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.