Finding the Fourth Proportional to 559,486.12, 838,234.10 and 322,338.80
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Solution
The fourth proportional to 559,486.12, 838,234.10 and 322,338.80 is: 482,934.90
Step by Step Solution
- Step 1: Write the proportion equation
559,486.12 : 838,234.10 = 322,338.80 : x - Step 2: Convert to fraction form
559,486.12/838,234.10 = 322,338.80/x - Step 3: Cross multiply
559,486.12x = 838,234.10 × 322,338.80 - Step 4: Simplify right side
559,486.12x = 270,195,373,913.08 - Step 5: Solve for x
x = 270,195,373,913.08/559,486.12 - Step 6: Final answer
x = 482,934.90
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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.