Finding the Fourth Proportional to 793,604.70, 1,188,657.45 and 688,628.70
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Solution
The fourth proportional to 793,604.70, 1,188,657.45 and 688,628.70 is: 1,031,424.88
Step by Step Solution
- Step 1: Write the proportion equation
793,604.70 : 1,188,657.45 = 688,628.70 : x - Step 2: Convert to fraction form
793,604.70/1,188,657.45 = 688,628.70/x - Step 3: Cross multiply
793,604.70x = 1,188,657.45 × 688,628.70 - Step 4: Simplify right side
793,604.70x = 818,543,634,538.82 - Step 5: Solve for x
x = 818,543,634,538.82/793,604.70 - Step 6: Final answer
x = 1,031,424.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.