Finding the Fourth Proportional to 566,442.87, 781,668.12 and 324,557.23
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Solution
The fourth proportional to 566,442.87, 781,668.12 and 324,557.23 is: 447,875.78
Step by Step Solution
- Step 1: Write the proportion equation
566,442.87 : 781,668.12 = 324,557.23 : x - Step 2: Convert to fraction form
566,442.87/781,668.12 = 324,557.23/x - Step 3: Cross multiply
566,442.87x = 781,668.12 × 324,557.23 - Step 4: Simplify right side
566,442.87x = 253,696,040,535.06 - Step 5: Solve for x
x = 253,696,040,535.06/566,442.87 - Step 6: Final answer
x = 447,875.78
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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.