Finding the Fourth Proportional to 674,789.68, 1,012,202.70 and 295,515.28
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Solution
The fourth proportional to 674,789.68, 1,012,202.70 and 295,515.28 is: 443,280.88
Step by Step Solution
- Step 1: Write the proportion equation
674,789.68 : 1,012,202.70 = 295,515.28 : x - Step 2: Convert to fraction form
674,789.68/1,012,202.70 = 295,515.28/x - Step 3: Cross multiply
674,789.68x = 1,012,202.70 × 295,515.28 - Step 4: Simplify right side
674,789.68x = 299,121,364,307.26 - Step 5: Solve for x
x = 299,121,364,307.26/674,789.68 - Step 6: Final answer
x = 443,280.88
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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.