Finding the Fourth Proportional to 892,967.68, 1,232,296.70 and 485,069.60
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Solution
The fourth proportional to 892,967.68, 1,232,296.70 and 485,069.60 is: 669,396.76
Step by Step Solution
- Step 1: Write the proportion equation
892,967.68 : 1,232,296.70 = 485,069.60 : x - Step 2: Convert to fraction form
892,967.68/1,232,296.70 = 485,069.60/x - Step 3: Cross multiply
892,967.68x = 1,232,296.70 × 485,069.60 - Step 4: Simplify right side
892,967.68x = 597,749,667,350.32 - Step 5: Solve for x
x = 597,749,667,350.32/892,967.68 - Step 6: Final answer
x = 669,396.76
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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.