Finding the Fourth Proportional to 527,930.80, 791,896.20 and 328,865.20
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Solution
The fourth proportional to 527,930.80, 791,896.20 and 328,865.20 is: 493,297.80
Step by Step Solution
- Step 1: Write the proportion equation
527,930.80 : 791,896.20 = 328,865.20 : x - Step 2: Convert to fraction form
527,930.80/791,896.20 = 328,865.20/x - Step 3: Cross multiply
527,930.80x = 791,896.20 × 328,865.20 - Step 4: Simplify right side
527,930.80x = 260,427,102,192.24 - Step 5: Solve for x
x = 260,427,102,192.24/527,930.80 - Step 6: Final answer
x = 493,297.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.