Finding the Fourth Proportional to 941,957.28, 1,298,529.36 and 715,209.12
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Solution
The fourth proportional to 941,957.28, 1,298,529.36 and 715,209.12 is: 985,947.09
Step by Step Solution
- Step 1: Write the proportion equation
941,957.28 : 1,298,529.36 = 715,209.12 : x - Step 2: Convert to fraction form
941,957.28/1,298,529.36 = 715,209.12/x - Step 3: Cross multiply
941,957.28x = 1,298,529.36 × 715,209.12 - Step 4: Simplify right side
941,957.28x = 928,720,040,859.76 - Step 5: Solve for x
x = 928,720,040,859.76/941,957.28 - Step 6: Final answer
x = 985,947.09
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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.