Finding the Fourth Proportional to 698,861.80, 1,048,292.70 and 687,197.80
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Solution
The fourth proportional to 698,861.80, 1,048,292.70 and 687,197.80 is: 1,030,796.70
Step by Step Solution
- Step 1: Write the proportion equation
698,861.80 : 1,048,292.70 = 687,197.80 : x - Step 2: Convert to fraction form
698,861.80/1,048,292.70 = 687,197.80/x - Step 3: Cross multiply
698,861.80x = 1,048,292.70 × 687,197.80 - Step 4: Simplify right side
698,861.80x = 720,384,437,196.06 - Step 5: Solve for x
x = 720,384,437,196.06/698,861.80 - Step 6: Final answer
x = 1,030,796.70
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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.