Finding the Fourth Proportional to 839,953.70, 1,259,930.55 and 804,961.70
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Solution
The fourth proportional to 839,953.70, 1,259,930.55 and 804,961.70 is: 1,207,442.55
Step by Step Solution
- Step 1: Write the proportion equation
839,953.70 : 1,259,930.55 = 804,961.70 : x - Step 2: Convert to fraction form
839,953.70/1,259,930.55 = 804,961.70/x - Step 3: Cross multiply
839,953.70x = 1,259,930.55 × 804,961.70 - Step 4: Simplify right side
839,953.70x = 1,014,195,837,409.94 - Step 5: Solve for x
x = 1,014,195,837,409.94/839,953.70 - Step 6: Final answer
x = 1,207,442.55
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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.