Finding the Fourth Proportional to 946,764.54, 1,306,485.92 and 538,865.09
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Solution
The fourth proportional to 946,764.54, 1,306,485.92 and 538,865.09 is: 743,605.85
Step by Step Solution
- Step 1: Write the proportion equation
946,764.54 : 1,306,485.92 = 538,865.09 : x - Step 2: Convert to fraction form
946,764.54/1,306,485.92 = 538,865.09/x - Step 3: Cross multiply
946,764.54x = 1,306,485.92 × 538,865.09 - Step 4: Simplify right side
946,764.54x = 704,019,652,864.53 - Step 5: Solve for x
x = 704,019,652,864.53/946,764.54 - Step 6: Final answer
x = 743,605.85
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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.