Finding the Fourth Proportional to 867,442, 1,197,808.68 and 545,690.56
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Solution
The fourth proportional to 867,442, 1,197,808.68 and 545,690.56 is: 753,517.69
Step by Step Solution
- Step 1: Write the proportion equation
867,442 : 1,197,808.68 = 545,690.56 : x - Step 2: Convert to fraction form
867,442/1,197,808.68 = 545,690.56/x - Step 3: Cross multiply
867,442x = 1,197,808.68 × 545,690.56 - Step 4: Simplify right side
867,442x = 653,632,889,362.06 - Step 5: Solve for x
x = 653,632,889,362.06/867,442 - Step 6: Final answer
x = 753,517.69
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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.