Finding the Fourth Proportional to 854,441.99, 1,281,943.54 and 349,427.70
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Solution
The fourth proportional to 854,441.99, 1,281,943.54 and 349,427.70 is: 524,256.28
Step by Step Solution
- Step 1: Write the proportion equation
854,441.99 : 1,281,943.54 = 349,427.70 : x - Step 2: Convert to fraction form
854,441.99/1,281,943.54 = 349,427.70/x - Step 3: Cross multiply
854,441.99x = 1,281,943.54 × 349,427.70 - Step 4: Simplify right side
854,441.99x = 447,946,578,560.65 - Step 5: Solve for x
x = 447,946,578,560.65/854,441.99 - Step 6: Final answer
x = 524,256.28
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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.