Finding the Fourth Proportional to 839,940.70, 1,259,911.05 and 804,948.70
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Solution
The fourth proportional to 839,940.70, 1,259,911.05 and 804,948.70 is: 1,207,423.05
Step by Step Solution
- Step 1: Write the proportion equation
839,940.70 : 1,259,911.05 = 804,948.70 : x - Step 2: Convert to fraction form
839,940.70/1,259,911.05 = 804,948.70/x - Step 3: Cross multiply
839,940.70x = 1,259,911.05 × 804,948.70 - Step 4: Simplify right side
839,940.70x = 1,014,163,761,813.14 - Step 5: Solve for x
x = 1,014,163,761,813.14/839,940.70 - Step 6: Final answer
x = 1,207,423.05
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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.