Finding the Fourth Proportional to 807,129.36, 1,114,265.97 and 625,433.40
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Solution
The fourth proportional to 807,129.36, 1,114,265.97 and 625,433.40 is: 863,429.32
Step by Step Solution
- Step 1: Write the proportion equation
807,129.36 : 1,114,265.97 = 625,433.40 : x - Step 2: Convert to fraction form
807,129.36/1,114,265.97 = 625,433.40/x - Step 3: Cross multiply
807,129.36x = 1,114,265.97 × 625,433.40 - Step 4: Simplify right side
807,129.36x = 696,899,154,121.40 - Step 5: Solve for x
x = 696,899,154,121.40/807,129.36 - Step 6: Final answer
x = 863,429.32
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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.