Finding the Fourth Proportional to 806,688.84, 1,113,213.06 and 444,098.82
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Solution
The fourth proportional to 806,688.84, 1,113,213.06 and 444,098.82 is: 612,846.72
Step by Step Solution
- Step 1: Write the proportion equation
806,688.84 : 1,113,213.06 = 444,098.82 : x - Step 2: Convert to fraction form
806,688.84/1,113,213.06 = 444,098.82/x - Step 3: Cross multiply
806,688.84x = 1,113,213.06 × 444,098.82 - Step 4: Simplify right side
806,688.84x = 494,376,606,354.59 - Step 5: Solve for x
x = 494,376,606,354.59/806,688.84 - Step 6: Final answer
x = 612,846.72
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.