Finding the Fourth Proportional to 843,060.96, 1,163,466.72 and 499,094.28
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Solution
The fourth proportional to 843,060.96, 1,163,466.72 and 499,094.28 is: 688,775.32
Step by Step Solution
- Step 1: Write the proportion equation
843,060.96 : 1,163,466.72 = 499,094.28 : x - Step 2: Convert to fraction form
843,060.96/1,163,466.72 = 499,094.28/x - Step 3: Cross multiply
843,060.96x = 1,163,466.72 × 499,094.28 - Step 4: Simplify right side
843,060.96x = 580,679,584,922.36 - Step 5: Solve for x
x = 580,679,584,922.36/843,060.96 - Step 6: Final answer
x = 688,775.32
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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.