Finding the Fourth Proportional to 491,983.87, 738,209.08 and 292,697.95
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Solution
The fourth proportional to 491,983.87, 738,209.08 and 292,697.95 is: 439,185.70
Step by Step Solution
- Step 1: Write the proportion equation
491,983.87 : 738,209.08 = 292,697.95 : x - Step 2: Convert to fraction form
491,983.87/738,209.08 = 292,697.95/x - Step 3: Cross multiply
491,983.87x = 738,209.08 × 292,697.95 - Step 4: Simplify right side
491,983.87x = 216,072,279,964.60 - Step 5: Solve for x
x = 216,072,279,964.60/491,983.87 - Step 6: Final answer
x = 439,185.70
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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.